20093590 has 32 divisors (see below), whose sum is σ = 40531104. Its totient is φ = 7107840.

The previous prime is 20093573. The next prime is 20093603. The reversal of 20093590 is 9539002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1602 + ... + 6538.

It is an arithmetic number, because the mean of its divisors is an integer number (1266597).

Almost surely, 2^20093590 is an apocalyptic number.

20093590 is an abundant number, since it is smaller than the sum of its proper divisors (20437514).

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

20093590 is a wasteful number, since it uses less digits than its factorization.

20093590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4992.

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 20093590 is about 4482.5874224604. The cubic root of 20093590 is about 271.8645068395.

The spelling of 20093590 in words is "twenty million, ninety-three thousand, five hundred ninety".