20077474 has 16 divisors (see below), whose sum is σ = 31033728. Its totient is φ = 9736272.

The previous prime is 20077439. The next prime is 20077489. The reversal of 20077474 is 47477002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12759 + ... + 14245.

It is an arithmetic number, because the mean of its divisors is an integer number (1939608).

Almost surely, 2^20077474 is an apocalyptic number.

20077474 is a deficient number, since it is larger than the sum of its proper divisors (10956254).

20077474 is a wasteful number, since it uses less digits than its factorization.

20077474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1689.

The product of its (nonzero) digits is 10976, while the sum is 31.

The square root of 20077474 is about 4480.7894393734. The cubic root of 20077474 is about 271.7918047113.

The spelling of 20077474 in words is "twenty million, seventy-seven thousand, four hundred seventy-four".