22129096802780 has 24 divisors (see below), whose sum is σ = 50695749039600. Its totient is φ = 8046944291840.

The previous prime is 22129096802753. The next prime is 22129096802833. The reversal of 22129096802780 is 8720869092122.

It is a happy number.

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, 50293401605 + ... + 50293402044.

It is an arithmetic number, because the mean of its divisors is an integer number (2112322876650).

Almost surely, 2^{22129096802780} is an apocalyptic number.

22129096802780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22129096802780 is an abundant number, since it is smaller than the sum of its proper divisors (28566652236820).

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

22129096802780 is a wasteful number, since it uses less digits than its factorization.

22129096802780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100586803669 (or 100586803667 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 56.

The spelling of 22129096802780 in words is "twenty-two trillion, one hundred twenty-nine billion, ninety-six million, eight hundred two thousand, seven hundred eighty".