20498064 has 20 divisors (see below), whose sum is σ = 52953456. Its totient is φ = 6832672.

The previous prime is 20498059. The next prime is 20498117. The reversal of 20498064 is 46089402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213474 + ... + 213569.

Almost surely, 2^20498064 is an apocalyptic number.

20498064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20498064 is an abundant number, since it is smaller than the sum of its proper divisors (32455392).

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

20498064 is a wasteful number, since it uses less digits than its factorization.

20498064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427054 (or 427048 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 20498064 is about 4527.4787685863. The cubic root of 20498064 is about 273.6765679481.

The spelling of 20498064 in words is "twenty million, four hundred ninety-eight thousand, sixty-four".