20221203120 has 40 divisors (see below), whose sum is σ = 62685730416. Its totient is φ = 5392320768.

The previous prime is 20221203109. The next prime is 20221203161. The reversal of 20221203120 is 2130212202.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20221203120.

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, 42127267 + ... + 42127746.

Almost surely, 2^20221203120 is an apocalyptic number.

20221203120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20221203120 is an abundant number, since it is smaller than the sum of its proper divisors (42464527296).

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

20221203120 is a wasteful number, since it uses less digits than its factorization.

20221203120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84255029 (or 84255023 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20221203120 its reverse (2130212202), we get a palindrome (22351415322).

The spelling of 20221203120 in words is "twenty billion, two hundred twenty-one million, two hundred three thousand, one hundred twenty".