20220021300 has 36 divisors (see below), whose sum is σ = 58503262496. Its totient is φ = 5392005600.

The previous prime is 20220021271. The next prime is 20220021301. The reversal of 20220021300 is 312002202.

It is a super-2 number, since 2×20220021300² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220021301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33699736 + ... + 33700335.

Almost surely, 2^20220021300 is an apocalyptic number.

20220021300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20220021300 is an abundant number, since it is smaller than the sum of its proper divisors (38283241196).

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

20220021300 is a wasteful number, since it uses less digits than its factorization.

20220021300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67400088 (or 67400081 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 20220021300 its reverse (312002202), we get a palindrome (20532023502).

The spelling of 20220021300 in words is "twenty billion, two hundred twenty million, twenty-one thousand, three hundred".