20222021222100 has 108 divisors (see below), whose sum is σ = 63407423186016. Its totient is φ = 5390614474560.

The previous prime is 20222021222093. The next prime is 20222021222129. The reversal of 20222021222100 is 122212022202.

20222021222100 is a `hidden beast` number, since 20 + 2 + 220 + 212 + 2 + 210 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1485312 + ... + 6530711.

Almost surely, 2^{20222021222100} is an apocalyptic number.

20222021222100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20222021222100 is an abundant number, since it is smaller than the sum of its proper divisors (43185401963916).

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

20222021222100 is a wasteful number, since it uses less digits than its factorization.

20222021222100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8018846 (or 8018836 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 20222021222100 its reverse (122212022202), we get a palindrome (20344233244302).

The spelling of 20222021222100 in words is "twenty trillion, two hundred twenty-two billion, twenty-one million, two hundred twenty-two thousand, one hundred".