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20005542232 = 23132331269791
BaseRepresentation
bin10010101000011011…
…000101100101011000
31220122012221211202121
4102220123011211120
5311432404322412
613105044111024
71305520206004
oct225033054530
956565854677
1020005542232
118536674a85
123a63995474
131b6a898470
14d7ad29704
157c14b3107
hex4a86c5958

20005542232 has 64 divisors (see below), whose sum is σ = 43512053760. Its totient is φ = 8546947200.

The previous prime is 20005542229. The next prime is 20005542241. The reversal of 20005542232 is 23224550002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20005542197 and 20005542206.

It is a congruent number.

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, 60744 + ... + 209047.

It is an arithmetic number, because the mean of its divisors is an integer number (679875840).

Almost surely, 220005542232 is an apocalyptic number.

It is an amenable number.

20005542232 is an abundant number, since it is smaller than the sum of its proper divisors (23506511528).

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

20005542232 is a wasteful number, since it uses less digits than its factorization.

20005542232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269864 (or 269860 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The spelling of 20005542232 in words is "twenty billion, five million, five hundred forty-two thousand, two hundred thirty-two".

Divisors: 1 2 4 8 13 23 26 31 46 52 62 92 104 124 184 248 299 403 598 713 806 1196 1426 1612 2392 2852 3224 5704 9269 18538 37076 74152 269791 539582 1079164 2158328 3507283 6205193 7014566 8363521 12410386 14029132 16727042 24820772 28058264 33454084 49641544 66908168 80667509 108725773 161335018 192360983 217451546 322670036 384721966 434903092 645340072 769443932 869806184 1538887864 2500692779 5001385558 10002771116 20005542232