20222199806780 has 36 divisors (see below), whose sum is σ = 44819340917400. Its totient is φ = 7663149397728.

The previous prime is 20222199806773. The next prime is 20222199806789. The reversal of 20222199806780 is 8760899122202.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20222199806789) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1400422130 + ... + 1400436569.

It is an arithmetic number, because the mean of its divisors is an integer number (1244981692150).

Almost surely, 2^{20222199806780} is an apocalyptic number.

20222199806780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20222199806780 is an abundant number, since it is smaller than the sum of its proper divisors (24597141110620).

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

20222199806780 is a wasteful number, since it uses less digits than its factorization.

20222199806780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2800858746 (or 2800858725 counting only the distinct ones).

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

The spelling of 20222199806780 in words is "twenty trillion, two hundred twenty-two billion, one hundred ninety-nine million, eight hundred six thousand, seven hundred eighty".