20292042 has 16 divisors (see below), whose sum is σ = 41893632. Its totient is φ = 6545760.

The previous prime is 20292037. The next prime is 20292061. The reversal of 20292042 is 24029202.

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, 54363 + ... + 54734.

It is an arithmetic number, because the mean of its divisors is an integer number (2618352).

Almost surely, 2^20292042 is an apocalyptic number.

20292042 is an abundant number, since it is smaller than the sum of its proper divisors (21601590).

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

20292042 is a wasteful number, since it uses less digits than its factorization.

20292042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109133.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 20292042 is about 4504.6689112520. The cubic root of 20292042 is about 272.7565891112.

The spelling of 20292042 in words is "twenty million, two hundred ninety-two thousand, forty-two".