22212202102020 has 216 divisors, whose sum is σ = 78858189393984. Its totient is φ = 5045926741632.

The previous prime is 22212202102009. The next prime is 22212202102021. The reversal of 22212202102020 is 2020120221222.

22212202102020 is a `hidden beast` number, since 2 + 221 + 220 + 21 + 0 + 202 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 22212202101984 and 22212202102002.

It is not an unprimeable number, because it can be changed into a prime (22212202102021) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6287464 + ... + 9162783.

Almost surely, 2^{22212202102020} is an apocalyptic number.

22212202102020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22212202102020 is an abundant number, since it is smaller than the sum of its proper divisors (56645987291964).

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

22212202102020 is a wasteful number, since it uses less digits than its factorization.

22212202102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15450439 (or 15450427 counting only the distinct ones).

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

Adding to 22212202102020 its reverse (2020120221222), we get a palindrome (24232322323242).

The spelling of 22212202102020 in words is "twenty-two trillion, two hundred twelve billion, two hundred two million, one hundred two thousand, twenty".