20212031300 has 18 divisors (see below), whose sum is σ = 43860108138. Its totient is φ = 8084812480.

The previous prime is 20212031291. The next prime is 20212031311. The reversal of 20212031300 is 313021202.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 6267255556 + 13944775744 = 79166^2 + 118088^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 101060057 + ... + 101060256.

Almost surely, 2^20212031300 is an apocalyptic number.

20212031300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20212031300 is an abundant number, since it is smaller than the sum of its proper divisors (23648076838).

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

20212031300 is a wasteful number, since it uses less digits than its factorization.

20212031300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202120327 (or 202120320 counting only the distinct ones).

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

Adding to 20212031300 its reverse (313021202), we get a palindrome (20525052502).

The spelling of 20212031300 in words is "twenty billion, two hundred twelve million, thirty-one thousand, three hundred".