20089107642 has 16 divisors (see below), whose sum is σ = 40181735232. Its totient is φ = 6695782560.

The previous prime is 20089107631. The next prime is 20089107667. The reversal of 20089107642 is 24670198002.

It is a self number, because there is not a number n which added to its sum of digits gives 20089107642.

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, 69334 + ... + 212097.

It is an arithmetic number, because the mean of its divisors is an integer number (2511358452).

Almost surely, 2^20089107642 is an apocalyptic number.

20089107642 is an abundant number, since it is smaller than the sum of its proper divisors (20092627590).

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

20089107642 is a wasteful number, since it uses less digits than its factorization.

20089107642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293333.

The product of its (nonzero) digits is 48384, while the sum is 39.

The spelling of 20089107642 in words is "twenty billion, eighty-nine million, one hundred seven thousand, six hundred forty-two".