20073474 has 32 divisors (see below), whose sum is σ = 44815680. Its totient is φ = 6660000.

The previous prime is 20073463. The next prime is 20073509. The reversal of 20073474 is 47437002.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12814 + ... + 14294.

It is an arithmetic number, because the mean of its divisors is an integer number (1400490).

Almost surely, 2^20073474 is an apocalyptic number.

20073474 is an abundant number, since it is smaller than the sum of its proper divisors (24742206).

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

20073474 is a wasteful number, since it uses less digits than its factorization.

20073474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1743 (or 1737 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 20073474 is about 4480.3430672215. The cubic root of 20073474 is about 271.7737539773.

The spelling of 20073474 in words is "twenty million, seventy-three thousand, four hundred seventy-four".