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20212202330 = 258337365287
BaseRepresentation
bin10010110100101111…
…011011101101011010
31221011121211021010022
4102310233123231122
5312343310433310
613141345350442
71313606612405
oct226457335532
957147737108
1020212202330
118632296851
123b01038422
131ba1645048
14d9a562d3c
157d46d5a55
hex4b4bdbb5a

20212202330 has 32 divisors (see below), whose sum is σ = 36919580544. Its totient is φ = 7965936576.

The previous prime is 20212202303. The next prime is 20212202347. The reversal of 20212202330 is 3320221202.

It is a junction number, because it is equal to n+sod(n) for n = 20212202299 and 20212202308.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276947 + ... + 342233.

It is an arithmetic number, because the mean of its divisors is an integer number (1153736892).

Almost surely, 220212202330 is an apocalyptic number.

20212202330 is a deficient number, since it is larger than the sum of its proper divisors (16707378214).

20212202330 is a wasteful number, since it uses less digits than its factorization.

20212202330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65750.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20212202330 its reverse (3320221202), we get a palindrome (23532423532).

The spelling of 20212202330 in words is "twenty billion, two hundred twelve million, two hundred two thousand, three hundred thirty".

Divisors: 1 2 5 10 83 166 373 415 746 830 1865 3730 30959 61918 65287 130574 154795 309590 326435 652870 5418821 10837642 24352051 27094105 48704102 54188210 121760255 243520510 2021220233 4042440466 10106101165 20212202330