20212331000 has 64 divisors (see below), whose sum is σ = 49353295680. Its totient is φ = 7733404800.

The previous prime is 20212330991. The next prime is 20212331011. The reversal of 20212331000 is 13321202.

It is a happy number.

It is a super-2 number, since 2×20212331000² (a number of 21 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, 416399 + ... + 462398.

It is an arithmetic number, because the mean of its divisors is an integer number (771145245).

Almost surely, 2^20212331000 is an apocalyptic number.

20212331000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20212331000 is an abundant number, since it is smaller than the sum of its proper divisors (29140964680).

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

20212331000 is a wasteful number, since it uses less digits than its factorization.

20212331000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878841 (or 878827 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20212331000 its reverse (13321202), we get a palindrome (20225652202).

The spelling of 20212331000 in words is "twenty billion, two hundred twelve million, three hundred thirty-one thousand".