20529042 has 32 divisors (see below), whose sum is σ = 42854400. Its totient is φ = 6547968.

The previous prime is 20529031. The next prime is 20529053. The reversal of 20529042 is 24092502.

It is an interprime number because it is at equal distance from previous prime (20529031) and next prime (20529053).

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, 21634 + ... + 22562.

It is an arithmetic number, because the mean of its divisors is an integer number (1339200).

Almost surely, 2^20529042 is an apocalyptic number.

20529042 is an abundant number, since it is smaller than the sum of its proper divisors (22325358).

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

20529042 is a wasteful number, since it uses less digits than its factorization.

20529042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 20529042 is about 4530.8985863733. The cubic root of 20529042 is about 273.8143644654.

The spelling of 20529042 in words is "twenty million, five hundred twenty-nine thousand, forty-two".