20211029974 has 8 divisors (see below), whose sum is σ = 30743538768. Its totient is φ = 9963183720.

The previous prime is 20211029963. The next prime is 20211029977. The reversal of 20211029974 is 47992011202.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211029977) 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, 71165457 + ... + 71165740.

It is an arithmetic number, because the mean of its divisors is an integer number (3842942346).

Almost surely, 2^20211029974 is an apocalyptic number.

20211029974 is a deficient number, since it is larger than the sum of its proper divisors (10532508794).

20211029974 is a wasteful number, since it uses less digits than its factorization.

20211029974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142331270.

The product of its (nonzero) digits is 18144, while the sum is 37.

The spelling of 20211029974 in words is "twenty billion, two hundred eleven million, twenty-nine thousand, nine hundred seventy-four".