20223131202 has 48 divisors (see below), whose sum is σ = 45776016000. Its totient is φ = 6440318016.

The previous prime is 20223131191. The next prime is 20223131207. The reversal of 20223131202 is 20213132202.

20223131202 is a `hidden beast` number, since 202 + 231 + 31 + 202 = 666.

It is a super-2 number, since 2×20223131202² (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 not an unprimeable number, because it can be changed into a prime (20223131207) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 326299 + ... + 383297.

It is an arithmetic number, because the mean of its divisors is an integer number (953667000).

Almost surely, 2^20223131202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20223131202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22888008000).

20223131202 is an abundant number, since it is smaller than the sum of its proper divisors (25552884798).

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

20223131202 is a wasteful number, since it uses less digits than its factorization.

20223131202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57887 (or 57884 counting only the distinct ones).

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

Adding to 20223131202 its reverse (20213132202), we get a palindrome (40436263404).

The spelling of 20223131202 in words is "twenty billion, two hundred twenty-three million, one hundred thirty-one thousand, two hundred two".