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20204530044 = 22323536122643
BaseRepresentation
bin10010110100010010…
…001010100101111100
31221011002101110201120
4102310102022211330
5312334324430134
613140513110540
71313454446256
oct226422124574
957132343646
1020204530044
118628a26516
123aba558450
131b9cb89b2a
14d99526cd6
157d3bbc649
hex4b448a97c

20204530044 has 96 divisors (see below), whose sum is σ = 50945739264. Its totient is φ = 6216587520.

The previous prime is 20204530019. The next prime is 20204530051. The reversal of 20204530044 is 44003540202.

It is a junction number, because it is equal to n+sod(n) for n = 20204529996 and 20204530023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 880987 + ... + 903629.

It is an arithmetic number, because the mean of its divisors is an integer number (530684784).

Almost surely, 220204530044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20204530044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25472869632).

20204530044 is an abundant number, since it is smaller than the sum of its proper divisors (30741209220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20204530044 is a wasteful number, since it uses less digits than its factorization.

20204530044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22787 (or 22785 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The spelling of 20204530044 in words is "twenty billion, two hundred four million, five hundred thirty thousand, forty-four".

Divisors: 1 2 3 4 6 12 23 46 53 61 69 92 106 122 138 159 183 212 244 276 318 366 636 732 1219 1403 2438 2806 3233 3657 4209 4876 5612 6466 7314 8418 9699 12932 14628 16836 19398 22643 38796 45286 67929 74359 90572 135858 148718 223077 271716 297436 446154 520789 892308 1041578 1200079 1381223 1562367 2083156 2400158 2762446 3124734 3600237 4143669 4800316 5524892 6249468 7200474 8287338 14400948 16574676 27601817 31768129 55203634 63536258 73204819 82805451 95304387 110407268 127072516 146409638 165610902 190608774 219614457 292819276 331221804 381217548 439228914 878457828 1683710837 3367421674 5051132511 6734843348 10102265022 20204530044