20860488 has 48 divisors (see below), whose sum is σ = 61635600. Its totient is φ = 6321120.

The previous prime is 20860459. The next prime is 20860493. The reversal of 20860488 is 88406802.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 12378 + ... + 13961.

It is an arithmetic number, because the mean of its divisors is an integer number (1284075).

Almost surely, 2^20860488 is an apocalyptic number.

It is an amenable number.

20860488 is an abundant number, since it is smaller than the sum of its proper divisors (40775112).

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

20860488 is a wasteful number, since it uses less digits than its factorization.

20860488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26362 (or 26355 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 20860488 is about 4567.3283218967. The cubic root of 20860488 is about 275.2801024823.

The spelling of 20860488 in words is "twenty million, eight hundred sixty thousand, four hundred eighty-eight".