20366074642 has 8 divisors (see below), whose sum is σ = 30609847296. Its totient is φ = 10162792212.

The previous prime is 20366074577. The next prime is 20366074693. The reversal of 20366074642 is 24647066302.

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

It is a junction number, because it is equal to n+sod(n) for n = 20366074595 and 20366074604.

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, 10121298 + ... + 10123309.

It is an arithmetic number, because the mean of its divisors is an integer number (3826230912).

Almost surely, 2^20366074642 is an apocalyptic number.

20366074642 is a deficient number, since it is larger than the sum of its proper divisors (10243772654).

20366074642 is a wasteful number, since it uses less digits than its factorization.

20366074642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20245112.

The product of its (nonzero) digits is 290304, while the sum is 40.

The spelling of 20366074642 in words is "twenty billion, three hundred sixty-six million, seventy-four thousand, six hundred forty-two".