20074790 has 32 divisors (see below), whose sum is σ = 38491200. Its totient is φ = 7512064.

The previous prime is 20074787. The next prime is 20074793. The reversal of 20074790 is 9747002.

It is an interprime number because it is at equal distance from previous prime (20074787) and next prime (20074793).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20074793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44486 + ... + 44934.

It is an arithmetic number, because the mean of its divisors is an integer number (1202850).

Almost surely, 2^20074790 is an apocalyptic number.

20074790 is a deficient number, since it is larger than the sum of its proper divisors (18416410).

20074790 is a wasteful number, since it uses less digits than its factorization.

20074790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 20074790 is about 4480.4899285681. The cubic root of 20074790 is about 271.7796929335.

The spelling of 20074790 in words is "twenty million, seventy-four thousand, seven hundred ninety".