20655624346 has 24 divisors (see below), whose sum is σ = 36301275360. Its totient is φ = 8788718232.

The previous prime is 20655624323. The next prime is 20655624389. The reversal of 20655624346 is 64342655602.

It is a super-3 number, since 3×20655624346³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 744550 + ... + 771793.

It is an arithmetic number, because the mean of its divisors is an integer number (1512553140).

Almost surely, 2^20655624346 is an apocalyptic number.

20655624346 is a deficient number, since it is larger than the sum of its proper divisors (15645651014).

20655624346 is a wasteful number, since it uses less digits than its factorization.

20655624346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516498 (or 1516491 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 43.

The spelling of 20655624346 in words is "twenty billion, six hundred fifty-five million, six hundred twenty-four thousand, three hundred forty-six".