20037974 has 8 divisors (see below), whose sum is σ = 32789448. Its totient is φ = 9108160.

The previous prime is 20037973. The next prime is 20038009. The reversal of 20037974 is 47973002.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20037974.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20037973) 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 3 ways as a sum of consecutive naturals, for example, 455387 + ... + 455430.

It is an arithmetic number, because the mean of its divisors is an integer number (4098681).

Almost surely, 2^20037974 is an apocalyptic number.

20037974 is a deficient number, since it is larger than the sum of its proper divisors (12751474).

20037974 is a wasteful number, since it uses less digits than its factorization.

20037974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910830.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 20037974 is about 4476.3795638887. The cubic root of 20037974 is about 271.6134485356.

The spelling of 20037974 in words is "twenty million, thirty-seven thousand, nine hundred seventy-four".