222202021120020 has 72 divisors (see below), whose sum is σ = 674019750453504. Its totient is φ = 59253261041088.

The previous prime is 222202021120003. The next prime is 222202021120021. The reversal of 222202021120020 is 20021120202222.

222202021120020 is a `hidden beast` number, since 22 + 220 + 202 + 1 + 1 + 200 + 20 = 666.

It is a super-3 number, since 3×222202021120020³ (a number of 44 digits) contains 333 as substring.

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 = 222202021119975 and 222202021120002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222202021120021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11265237 + ... + 23902083.

Almost surely, 2^{222202021120020} is an apocalyptic number.

222202021120020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222202021120020 is an abundant number, since it is smaller than the sum of its proper divisors (451817729333484).

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

222202021120020 is a wasteful number, since it uses less digits than its factorization.

222202021120020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12734549 (or 12734544 counting only the distinct ones).

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

Adding to 222202021120020 its reverse (20021120202222), we get a palindrome (242223141322242).

The spelling of 222202021120020 in words is "two hundred twenty-two trillion, two hundred two billion, twenty-one million, one hundred twenty thousand, twenty".