20012974 has 8 divisors (see below), whose sum is σ = 30717720. Its totient is φ = 9773736.

The previous prime is 20012963. The next prime is 20012981. The reversal of 20012974 is 47921002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116269 + ... + 116440.

It is an arithmetic number, because the mean of its divisors is an integer number (3839715).

Almost surely, 2^20012974 is an apocalyptic number.

20012974 is a deficient number, since it is larger than the sum of its proper divisors (10704746).

20012974 is a wasteful number, since it uses less digits than its factorization.

20012974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232754.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 20012974 is about 4473.5862571320. The cubic root of 20012974 is about 271.5004437292.

Adding to 20012974 its reverse (47921002), we get a palindrome (67933976).

The spelling of 20012974 in words is "twenty million, twelve thousand, nine hundred seventy-four".