20022001123220 has 96 divisors (see below), whose sum is σ = 43339236385536. Its totient is φ = 7766567424000.

The previous prime is 20022001123199. The next prime is 20022001123231. The reversal of 20022001123220 is 2232110022002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63872870 + ... + 64185570.

It is an arithmetic number, because the mean of its divisors is an integer number (451450379016).

Almost surely, 2^{20022001123220} is an apocalyptic number.

20022001123220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20022001123220 is an abundant number, since it is smaller than the sum of its proper divisors (23317235262316).

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

20022001123220 is a wasteful number, since it uses less digits than its factorization.

20022001123220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313521 (or 313519 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20022001123220 its reverse (2232110022002), we get a palindrome (22254111145222).

The spelling of 20022001123220 in words is "twenty trillion, twenty-two billion, one million, one hundred twenty-three thousand, two hundred twenty".