20574277982 has 16 divisors (see below), whose sum is σ = 32742306000. Its totient is φ = 9662602368.

The previous prime is 20574277963. The next prime is 20574278089. The reversal of 20574277982 is 28977247502.

It is a congruent number.

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, 589373 + ... + 623304.

It is an arithmetic number, because the mean of its divisors is an integer number (2046394125).

Almost surely, 2^20574277982 is an apocalyptic number.

20574277982 is a deficient number, since it is larger than the sum of its proper divisors (12168028018).

20574277982 is a wasteful number, since it uses less digits than its factorization.

20574277982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213195.

The product of its (nonzero) digits is 3951360, while the sum is 53.

The spelling of 20574277982 in words is "twenty billion, five hundred seventy-four million, two hundred seventy-seven thousand, nine hundred eighty-two".