220001210210020 has 48 divisors (see below), whose sum is σ = 465653096270208. Its totient is φ = 87306621350400.

The previous prime is 220001210210009. The next prime is 220001210210029. The reversal of 220001210210020 is 20012012100022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (220001210210029) 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, 43905397 + ... + 48658876.

It is an arithmetic number, because the mean of its divisors is an integer number (9701106172296).

Almost surely, 2^{220001210210020} is an apocalyptic number.

220001210210020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220001210210020 is an abundant number, since it is smaller than the sum of its proper divisors (245651886060188).

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

220001210210020 is a wasteful number, since it uses less digits than its factorization.

220001210210020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92565220 (or 92565218 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 220001210210020 its reverse (20012012100022), we get a palindrome (240013222310042).

The spelling of 220001210210020 in words is "two hundred twenty trillion, one billion, two hundred ten million, two hundred ten thousand, twenty".