20155053524 has 24 divisors (see below), whose sum is σ = 35523264000. Its totient is φ = 10005763680.

The previous prime is 20155053521. The next prime is 20155053533. The reversal of 20155053524 is 42535055102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20155053521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354854 + ... + 407714.

It is an arithmetic number, because the mean of its divisors is an integer number (1480136000).

Almost surely, 2^20155053524 is an apocalyptic number.

It is an amenable number.

20155053524 is a deficient number, since it is larger than the sum of its proper divisors (15368210476).

20155053524 is a wasteful number, since it uses less digits than its factorization.

20155053524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53543 (or 53541 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

The spelling of 20155053524 in words is "twenty billion, one hundred fifty-five million, fifty-three thousand, five hundred twenty-four".