20299374 has 24 divisors (see below), whose sum is σ = 44167032. Its totient is φ = 6738000.

The previous prime is 20299373. The next prime is 20299381. The reversal of 20299374 is 47399202.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20299373) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2272 + ... + 6764.

It is an arithmetic number, because the mean of its divisors is an integer number (1840293).

Almost surely, 2^20299374 is an apocalyptic number.

20299374 is an abundant number, since it is smaller than the sum of its proper divisors (23867658).

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

20299374 is a wasteful number, since it uses less digits than its factorization.

20299374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4752 (or 4749 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 20299374 is about 4505.4826600488. The cubic root of 20299374 is about 272.7894363146.

The spelling of 20299374 in words is "twenty million, two hundred ninety-nine thousand, three hundred seventy-four".