20222012212200 has 144 divisors (see below), whose sum is σ = 69747724332780. Its totient is φ = 5246792340480.

The previous prime is 20222012212183. The next prime is 20222012212277. The reversal of 20222012212200 is 221221022202.

20222012212200 is a `hidden beast` number, since 2 + 0 + 2 + 220 + 1 + 221 + 220 + 0 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 13874000947524 + 6348011264676 = 3724782^2 + 2519526^2 .

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

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, 151750309 + ... + 151883508.

Almost surely, 2^{20222012212200} is an apocalyptic number.

20222012212200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20222012212200 is an abundant number, since it is smaller than the sum of its proper divisors (49525712120580).

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

20222012212200 is a wasteful number, since it uses less digits than its factorization.

20222012212200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303633876 (or 303633864 counting only the distinct ones).

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

Adding to 20222012212200 its reverse (221221022202), we get a palindrome (20443233234402).

The spelling of 20222012212200 in words is "twenty trillion, two hundred twenty-two billion, twelve million, two hundred twelve thousand, two hundred".