20620061552 has 20 divisors (see below), whose sum is σ = 40172100696. Its totient is φ = 10253067840.

The previous prime is 20620061537. The next prime is 20620061569. The reversal of 20620061552 is 25516002602.

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, 3557198 + ... + 3562989.

Almost surely, 2^20620061552 is an apocalyptic number.

It is an amenable number.

20620061552 is a deficient number, since it is larger than the sum of its proper divisors (19552039144).

20620061552 is a wasteful number, since it uses less digits than its factorization.

20620061552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7120376 (or 7120370 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 20620061552 in words is "twenty billion, six hundred twenty million, sixty-one thousand, five hundred fifty-two".