20226777875880 has 64 divisors (see below), whose sum is σ = 62091504192960. Its totient is φ = 5268370050048.

The previous prime is 20226777875867. The next prime is 20226777876001. The reversal of 20226777875880 is 8857877762202.

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, 1959953937 + ... + 1959964256.

It is an arithmetic number, because the mean of its divisors is an integer number (970179753015).

Almost surely, 2^{20226777875880} is an apocalyptic number.

20226777875880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20226777875880 is an abundant number, since it is smaller than the sum of its proper divisors (41864726317080).

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

20226777875880 is a wasteful number, since it uses less digits than its factorization.

20226777875880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3919918250 (or 3919918246 counting only the distinct ones).

The product of its (nonzero) digits is 295034880, while the sum is 69.

The spelling of 20226777875880 in words is "twenty trillion, two hundred twenty-six billion, seven hundred seventy-seven million, eight hundred seventy-five thousand, eight hundred eighty".