20900514 has 64 divisors (see below), whose sum is σ = 47278080. Its totient is φ = 6124800.

The previous prime is 20900489. The next prime is 20900527. The reversal of 20900514 is 41500902.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138339 + ... + 138489.

It is an arithmetic number, because the mean of its divisors is an integer number (738720).

Almost surely, 2^20900514 is an apocalyptic number.

20900514 is an abundant number, since it is smaller than the sum of its proper divisors (26377566).

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

20900514 is a wasteful number, since it uses less digits than its factorization.

20900514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 20900514 is about 4571.7079959245. The cubic root of 20900514 is about 275.4560542902.

The spelling of 20900514 in words is "twenty million, nine hundred thousand, five hundred fourteen".