20322223231000 has 64 divisors (see below), whose sum is σ = 48024834305760. Its totient is φ = 8048405200000.

The previous prime is 20322223230949. The next prime is 20322223231033. The reversal of 20322223231000 is 13232222302.

It is a super-2 number, since 2×20322223231000² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100504066 + ... + 100706065.

Almost surely, 2^{20322223231000} is an apocalyptic number.

20322223231000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20322223231000 is an abundant number, since it is smaller than the sum of its proper divisors (27702611074760).

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

20322223231000 is a wasteful number, since it uses less digits than its factorization.

20322223231000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201210253 (or 201210239 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 20322223231000 its reverse (13232222302), we get a palindrome (20335455453302).

The spelling of 20322223231000 in words is "twenty trillion, three hundred twenty-two billion, two hundred twenty-three million, two hundred thirty-one thousand".