20302615242 has 72 divisors (see below), whose sum is σ = 54437838624. Its totient is φ = 5354530272.

The previous prime is 20302615219. The next prime is 20302615273. The reversal of 20302615242 is 24251620302.

It is a happy number.

20302615242 is a `hidden beast` number, since 2 + 0 + 3 + 0 + 2 + 615 + 2 + 42 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 455428 + ... + 498015.

It is an arithmetic number, because the mean of its divisors is an integer number (756081092).

Almost surely, 2^20302615242 is an apocalyptic number.

20302615242 is an abundant number, since it is smaller than the sum of its proper divisors (34135223382).

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

20302615242 is a wasteful number, since it uses less digits than its factorization.

20302615242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953484 (or 953468 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The spelling of 20302615242 in words is "twenty billion, three hundred two million, six hundred fifteen thousand, two hundred forty-two".