20584668870 has 24 divisors (see below), whose sum is σ = 53520139296. Its totient is φ = 5489245008.

The previous prime is 20584668859. The next prime is 20584668917. The reversal of 20584668870 is 7886648502.

It is a congruent number.

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, 114359182 + ... + 114359361.

It is an arithmetic number, because the mean of its divisors is an integer number (2230005804).

Almost surely, 2^20584668870 is an apocalyptic number.

20584668870 is an abundant number, since it is smaller than the sum of its proper divisors (32935470426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20584668870 is a wasteful number, since it uses less digits than its factorization.

20584668870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228718556 (or 228718553 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 54.

The spelling of 20584668870 in words is "twenty billion, five hundred eighty-four million, six hundred sixty-eight thousand, eight hundred seventy".