20132331000 has 128 divisors (see below), whose sum is σ = 62953450560. Its totient is φ = 5356608000.

The previous prime is 20132330989. The next prime is 20132331029. The reversal of 20132331000 is 13323102.

It is a super-2 number, since 2×20132331000² (a number of 21 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1375722 + ... + 1390278.

Almost surely, 2^20132331000 is an apocalyptic number.

20132331000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20132331000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31476725280).

20132331000 is an abundant number, since it is smaller than the sum of its proper divisors (42821119560).

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

20132331000 is a wasteful number, since it uses less digits than its factorization.

20132331000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15042 (or 15028 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 20132331000 its reverse (13323102), we get a palindrome (20145654102).

The spelling of 20132331000 in words is "twenty billion, one hundred thirty-two million, three hundred thirty-one thousand".