20373430 has 32 divisors (see below), whose sum is σ = 45722880. Its totient is φ = 6349920.

The previous prime is 20373403. The next prime is 20373449. The reversal of 20373430 is 3437302.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12460 + ... + 13999.

It is an arithmetic number, because the mean of its divisors is an integer number (1428840).

Almost surely, 2^20373430 is an apocalyptic number.

20373430 is an abundant number, since it is smaller than the sum of its proper divisors (25349450).

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

20373430 is a wasteful number, since it uses less digits than its factorization.

20373430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26484.

The product of its (nonzero) digits is 1512, while the sum is 22.

The square root of 20373430 is about 4513.6936094511. The cubic root of 20373430 is about 273.1207630773.

The spelling of 20373430 in words is "twenty million, three hundred seventy-three thousand, four hundred thirty".