20870403627 has 32 divisors (see below), whose sum is σ = 28667520000. Its totient is φ = 13499011328.

The previous prime is 20870403571. The next prime is 20870403629. The reversal of 20870403627 is 72630407802.

It is a cyclic number.

It is not a de Polignac number, because 20870403627 - 2¹⁶ = 20870338091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20870403629) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19894999 + ... + 19896047.

It is an arithmetic number, because the mean of its divisors is an integer number (895860000).

Almost surely, 2^20870403627 is an apocalyptic number.

20870403627 is a deficient number, since it is larger than the sum of its proper divisors (7797116373).

20870403627 is a wasteful number, since it uses less digits than its factorization.

20870403627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2195.

The product of its (nonzero) digits is 112896, while the sum is 39.

The spelling of 20870403627 in words is "twenty billion, eight hundred seventy million, four hundred three thousand, six hundred twenty-seven".