20292072 has 32 divisors (see below), whose sum is σ = 52937280. Its totient is φ = 6469760.

The previous prime is 20292071. The next prime is 20292079. The reversal of 20292072 is 27029202.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (20292071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17829 + ... + 18932.

It is an arithmetic number, because the mean of its divisors is an integer number (1654290).

Almost surely, 2^20292072 is an apocalyptic number.

It is an amenable number.

20292072 is an abundant number, since it is smaller than the sum of its proper divisors (32645208).

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

20292072 is a wasteful number, since it uses less digits than its factorization.

20292072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36793 (or 36789 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 20292072 is about 4504.6722411292. The cubic root of 20292072 is about 272.7567235267.

The spelling of 20292072 in words is "twenty million, two hundred ninety-two thousand, seventy-two".