20211029973 has 12 divisors (see below), whose sum is σ = 29196580608. Its totient is φ = 13472695080.

The previous prime is 20211029963. The next prime is 20211029977. The reversal of 20211029973 is 37992011202.

It is not a de Polignac number, because 20211029973 - 2⁴ = 20211029957 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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 11 ways as a sum of consecutive naturals, for example, 8883 + ... + 201248.

It is an arithmetic number, because the mean of its divisors is an integer number (2433048384).

Almost surely, 2^20211029973 is an apocalyptic number.

It is an amenable number.

20211029973 is a deficient number, since it is larger than the sum of its proper divisors (8985550635).

20211029973 is a wasteful number, since it uses less digits than its factorization.

20211029973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220824 (or 220821 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The spelling of 20211029973 in words is "twenty billion, two hundred eleven million, twenty-nine thousand, nine hundred seventy-three".