20139573962 has 8 divisors (see below), whose sum is σ = 30409423392. Its totient is φ = 10003099500.

The previous prime is 20139573953. The next prime is 20139573967. The reversal of 20139573962 is 26937593102.

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

It is not an unprimeable number, because it can be changed into a prime (20139573967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33343364 + ... + 33343967.

It is an arithmetic number, because the mean of its divisors is an integer number (3801177924).

Almost surely, 2^20139573962 is an apocalyptic number.

20139573962 is a deficient number, since it is larger than the sum of its proper divisors (10269849430).

20139573962 is a wasteful number, since it uses less digits than its factorization.

20139573962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66687484.

The product of its (nonzero) digits is 612360, while the sum is 47.

The spelling of 20139573962 in words is "twenty billion, one hundred thirty-nine million, five hundred seventy-three thousand, nine hundred sixty-two".