20802594 has 16 divisors (see below), whose sum is σ = 44052768. Its totient is φ = 6526272.

The previous prime is 20802569. The next prime is 20802631. The reversal of 20802594 is 49520802.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101872 + ... + 102075.

It is an arithmetic number, because the mean of its divisors is an integer number (2753298).

Almost surely, 2^20802594 is an apocalyptic number.

20802594 is an abundant number, since it is smaller than the sum of its proper divisors (23250174).

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

20802594 is a wasteful number, since it uses less digits than its factorization.

20802594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203969.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 20802594 is about 4560.9860775933. The cubic root of 20802594 is about 275.0252054032.

The spelling of 20802594 in words is "twenty million, eight hundred two thousand, five hundred ninety-four".