22780432338620 has 48 divisors (see below), whose sum is σ = 54456938661888. Its totient is φ = 7923628637760.

The previous prime is 22780432338589. The next prime is 22780432338667. The reversal of 22780432338620 is 2683323408722.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2251025804 + ... + 2251035923.

It is an arithmetic number, because the mean of its divisors is an integer number (1134519555456).

Almost surely, 2^{22780432338620} is an apocalyptic number.

22780432338620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22780432338620 is an abundant number, since it is smaller than the sum of its proper divisors (31676506323268).

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

22780432338620 is a wasteful number, since it uses less digits than its factorization.

22780432338620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4502061770 (or 4502061768 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 50.

The spelling of 22780432338620 in words is "twenty-two trillion, seven hundred eighty billion, four hundred thirty-two million, three hundred thirty-eight thousand, six hundred twenty".