20075474 has 8 divisors (see below), whose sum is σ = 30269820. Its totient is φ = 9985536.

The previous prime is 20075449. The next prime is 20075477. The reversal of 20075474 is 47457002.

It can be written as a sum of positive squares in 2 ways, for example, as 18983449 + 1092025 = 4357^2 + 1045^2 .

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

It is not an unprimeable number, because it can be changed into a prime (20075477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25619 + ... + 26390.

Almost surely, 2^20075474 is an apocalyptic number.

20075474 is a deficient number, since it is larger than the sum of its proper divisors (10194346).

20075474 is a wasteful number, since it uses less digits than its factorization.

20075474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52204.

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 20075474 is about 4480.5662588561. The cubic root of 20075474 is about 271.7827796440.

The spelling of 20075474 in words is "twenty million, seventy-five thousand, four hundred seventy-four".