20012157310930 has 8 divisors (see below), whose sum is σ = 36021883159692. Its totient is φ = 8004862924368.

The previous prime is 20012157310927. The next prime is 20012157310991. The reversal of 20012157310930 is 3901375121002.

It can be written as a sum of positive squares in 2 ways, for example, as 16909835192649 + 3102322118281 = 4112157^2 + 1761341^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1000607865537 + ... + 1000607865556.

Almost surely, 2^{20012157310930} is an apocalyptic number.

20012157310930 is a deficient number, since it is larger than the sum of its proper divisors (16009725848762).

20012157310930 is a wasteful number, since it uses less digits than its factorization.

20012157310930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001215731100.

The product of its (nonzero) digits is 11340, while the sum is 34.

The spelling of 20012157310930 in words is "twenty trillion, twelve billion, one hundred fifty-seven million, three hundred ten thousand, nine hundred thirty".