20092428 has 24 divisors (see below), whose sum is σ = 52091760. Its totient is φ = 6697440.

The previous prime is 20092427. The next prime is 20092439. The reversal of 20092428 is 82429002.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (20092427) 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, 92913 + ... + 93128.

It is an arithmetic number, because the mean of its divisors is an integer number (2170490).

Almost surely, 2^20092428 is an apocalyptic number.

It is an amenable number.

20092428 is an abundant number, since it is smaller than the sum of its proper divisors (31999332).

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

20092428 is a wasteful number, since it uses less digits than its factorization.

20092428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186054 (or 186046 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 20092428 is about 4482.4578079442. The cubic root of 20092428 is about 271.8592661525.

The spelling of 20092428 in words is "twenty million, ninety-two thousand, four hundred twenty-eight".