3022221200020 has 96 divisors (see below), whose sum is σ = 7234065780480. Its totient is φ = 1049839042560.

The previous prime is 3022221199993. The next prime is 3022221200093. The reversal of 3022221200020 is 200021222203.

It is a junction number, because it is equal to n+sod(n) for n = 3022221199967 and 3022221200003.

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, 3502794 + ... + 4279486.

It is an arithmetic number, because the mean of its divisors is an integer number (75354851880).

Almost surely, 2^{3022221200020} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3022221200020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3617032890240).

3022221200020 is an abundant number, since it is smaller than the sum of its proper divisors (4211844580460).

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

3022221200020 is a wasteful number, since it uses less digits than its factorization.

3022221200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777505 (or 777503 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 3022221200020 its reverse (200021222203), we get a palindrome (3222242422223).

The spelling of 3022221200020 in words is "three trillion, twenty-two billion, two hundred twenty-one million, two hundred thousand, twenty".