220211210022220 has 48 divisors (see below), whose sum is σ = 486784333808640. Its totient is φ = 83448174131136.

The previous prime is 220211210022161. The next prime is 220211210022241. The reversal of 220211210022220 is 22220012112022.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135415269 + ... + 137031811.

It is an arithmetic number, because the mean of its divisors is an integer number (10141340287680).

Almost surely, 2^{220211210022220} is an apocalyptic number.

220211210022220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220211210022220 is an abundant number, since it is smaller than the sum of its proper divisors (266573123786420).

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

220211210022220 is a wasteful number, since it uses less digits than its factorization.

220211210022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1975054 (or 1975052 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 220211210022220 its reverse (22220012112022), we get a palindrome (242431222134242).

The spelling of 220211210022220 in words is "two hundred twenty trillion, two hundred eleven billion, two hundred ten million, twenty-two thousand, two hundred twenty".