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20255053132 = 22192329399571
BaseRepresentation
bin10010110111010010…
…111001010101001100
31221021121110022101001
4102313102321111030
5312440243200012
613145520030044
71314640053016
oct226722712514
957247408331
1020255053132
1186544a4236
123b13462324
131baa499352
14da21191b6
157d834c357
hex4b74b954c

20255053132 has 48 divisors (see below), whose sum is σ = 40276857600. Its totient is φ = 8860864320.

The previous prime is 20255053129. The next prime is 20255053139. The reversal of 20255053132 is 23135055202.

It is a self number, because there is not a number n which added to its sum of digits gives 20255053132.

It is not an unprimeable number, because it can be changed into a prime (20255053139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149094 + ... + 250477.

It is an arithmetic number, because the mean of its divisors is an integer number (839101200).

Almost surely, 220255053132 is an apocalyptic number.

It is an amenable number.

20255053132 is a deficient number, since it is larger than the sum of its proper divisors (20021804468).

20255053132 is a wasteful number, since it uses less digits than its factorization.

20255053132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399646 (or 399644 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

The spelling of 20255053132 in words is "twenty billion, two hundred fifty-five million, fifty-three thousand, one hundred thirty-two".

Divisors: 1 2 4 19 23 29 38 46 58 76 92 116 437 551 667 874 1102 1334 1748 2204 2668 12673 25346 50692 399571 799142 1598284 7591849 9190133 11587559 15183698 18380266 23175118 30367396 36760532 46350236 174612527 220163621 266513857 349225054 440327242 533027714 698450108 880654484 1066055428 5063763283 10127526566 20255053132