20322331000 has 32 divisors (see below), whose sum is σ = 47554256880. Its totient is φ = 8128932000.

The previous prime is 20322330997. The next prime is 20322331009. The reversal of 20322331000 is 13322302.

It is a super-2 number, since 2×20322331000² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20322331009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10160166 + ... + 10162165.

Almost surely, 2^20322331000 is an apocalyptic number.

20322331000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20322331000 is an abundant number, since it is smaller than the sum of its proper divisors (27231925880).

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

20322331000 is a wasteful number, since it uses less digits than its factorization.

20322331000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20322352 (or 20322338 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20322331000 its reverse (13322302), we get a palindrome (20335653302).

The spelling of 20322331000 in words is "twenty billion, three hundred twenty-two million, three hundred thirty-one thousand".