22101202020220 has 24 divisors (see below), whose sum is σ = 46412699470704. Its totient is φ = 8840447431296.

The previous prime is 22101202020137. The next prime is 22101202020257. The reversal of 22101202020220 is 2202020210122.

It is a junction number, because it is equal to n+sod(n) for n = 22101202020194 and 22101202020203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3740727 + ... + 7628593.

It is an arithmetic number, because the mean of its divisors is an integer number (1933862477946).

Almost surely, 2^{22101202020220} is an apocalyptic number.

22101202020220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22101202020220 is an abundant number, since it is smaller than the sum of its proper divisors (24311497450484).

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

22101202020220 is a wasteful number, since it uses less digits than its factorization.

22101202020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4172109 (or 4172107 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22101202020220 its reverse (2202020210122), we get a palindrome (24303222230342).

The spelling of 22101202020220 in words is "twenty-two trillion, one hundred one billion, two hundred two million, twenty thousand, two hundred twenty".