20221203132 has 144 divisors (see below), whose sum is σ = 55778879520. Its totient is φ = 6139584000.

The previous prime is 20221203109. The next prime is 20221203161. The reversal of 20221203132 is 23130212202.

It is a super-2 number, since 2×20221203132² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19804782 + ... + 19805802.

It is an arithmetic number, because the mean of its divisors is an integer number (387353330).

Almost surely, 2^20221203132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20221203132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27889439760).

20221203132 is an abundant number, since it is smaller than the sum of its proper divisors (35557676388).

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

20221203132 is a wasteful number, since it uses less digits than its factorization.

20221203132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1564 (or 1559 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20221203132 its reverse (23130212202), we get a palindrome (43351415334).

The spelling of 20221203132 in words is "twenty billion, two hundred twenty-one million, two hundred three thousand, one hundred thirty-two".