20074992 has 40 divisors (see below), whose sum is σ = 59270016. Its totient is φ = 5735616.

The previous prime is 20074987. The next prime is 20074993. The reversal of 20074992 is 29947002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20074993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29538 + ... + 30209.

Almost surely, 2^20074992 is an apocalyptic number.

It is an amenable number.

20074992 is an abundant number, since it is smaller than the sum of its proper divisors (39195024).

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

20074992 is a wasteful number, since it uses less digits than its factorization.

20074992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59765 (or 59759 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 20074992 is about 4480.5124706890. The cubic root of 20074992 is about 271.7806045132.

The spelling of 20074992 in words is "twenty million, seventy-four thousand, nine hundred ninety-two".