20302663074 has 16 divisors (see below), whose sum is σ = 41211376608. Its totient is φ = 6666545952.

The previous prime is 20302663057. The next prime is 20302663079. The reversal of 20302663074 is 47036620302.

It is not an unprimeable number, because it can be changed into a prime (20302663079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25251667 + ... + 25252470.

It is an arithmetic number, because the mean of its divisors is an integer number (2575711038).

Almost surely, 2^20302663074 is an apocalyptic number.

20302663074 is an abundant number, since it is smaller than the sum of its proper divisors (20908713534).

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

20302663074 is a wasteful number, since it uses less digits than its factorization.

20302663074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50504209.

The product of its (nonzero) digits is 36288, while the sum is 33.

The spelling of 20302663074 in words is "twenty billion, three hundred two million, six hundred sixty-three thousand, seventy-four".