222212202021020 has 24 divisors (see below), whose sum is σ = 466759690811568. Its totient is φ = 88863153843200.

The previous prime is 222212202020971. The next prime is 222212202021059. The reversal of 222212202021020 is 20120202212222.

222212202021020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 222212202020983 and 222212202021001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1357851461 + ... + 1358015100.

It is an arithmetic number, because the mean of its divisors is an integer number (19448320450482).

Almost surely, 2^{222212202021020} is an apocalyptic number.

222212202021020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222212202021020 is an abundant number, since it is smaller than the sum of its proper divisors (244547488790548).

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

222212202021020 is a wasteful number, since it uses less digits than its factorization.

222212202021020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2715870661 (or 2715870659 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 222212202021020 its reverse (20120202212222), we get a palindrome (242332404233242).

The spelling of 222212202021020 in words is "two hundred twenty-two trillion, two hundred twelve billion, two hundred two million, twenty-one thousand, twenty".