222012022020 has 48 divisors (see below), whose sum is σ = 621668174400. Its totient is φ = 59199918976.

The previous prime is 222012021991. The next prime is 222012022027. The reversal of 222012022020 is 20220210222.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (222012022027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1104199 + ... + 1289681.

It is an arithmetic number, because the mean of its divisors is an integer number (12951420300).

Almost surely, 2^222012022020 is an apocalyptic number.

222012022020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222012022020 is an abundant number, since it is smaller than the sum of its proper divisors (399656152380).

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

222012022020 is a wasteful number, since it uses less digits than its factorization.

222012022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205444 (or 205442 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 222012022020 its reverse (20220210222), we get a palindrome (242232232242).

The spelling of 222012022020 in words is "two hundred twenty-two billion, twelve million, twenty-two thousand, twenty".