20715549058 has 32 divisors (see below), whose sum is σ = 33501745152. Its totient is φ = 9578830800.

The previous prime is 20715549047. The next prime is 20715549073. The reversal of 20715549058 is 85094551702.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a junction number, because it is equal to n+sod(n) for n = 20715548999 and 20715549017.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1652193 + ... + 1664683.

It is an arithmetic number, because the mean of its divisors is an integer number (1046929536).

Almost surely, 2^20715549058 is an apocalyptic number.

20715549058 is a deficient number, since it is larger than the sum of its proper divisors (12786196094).

20715549058 is a wasteful number, since it uses less digits than its factorization.

20715549058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13710.

The product of its (nonzero) digits is 504000, while the sum is 46.

The spelling of 20715549058 in words is "twenty billion, seven hundred fifteen million, five hundred forty-nine thousand, fifty-eight".