20554137052 has 12 divisors (see below), whose sum is σ = 35977388776. Its totient is φ = 10274883120.

The previous prime is 20554137017. The next prime is 20554137061. The reversal of 20554137052 is 25073145502.

It is a junction number, because it is equal to n+sod(n) for n = 20554136999 and 20554137017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 525099 + ... + 562882.

Almost surely, 2^20554137052 is an apocalyptic number.

It is an amenable number.

20554137052 is a deficient number, since it is larger than the sum of its proper divisors (15423251724).

20554137052 is a wasteful number, since it uses less digits than its factorization.

20554137052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092708 (or 1092706 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 34.

The spelling of 20554137052 in words is "twenty billion, five hundred fifty-four million, one hundred thirty-seven thousand, fifty-two".