20280883338580 has 96 divisors (see below), whose sum is σ = 46851256811520. Its totient is φ = 7349558029440.

The previous prime is 20280883338539. The next prime is 20280883338643. The reversal of 20280883338580 is 8583338808202.

It is a super-2 number, since 2×20280883338580² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14459800 + ... + 15800239.

It is an arithmetic number, because the mean of its divisors is an integer number (488033925120).

Almost surely, 2^{20280883338580} is an apocalyptic number.

20280883338580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20280883338580 is an abundant number, since it is smaller than the sum of its proper divisors (26570373472940).

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

20280883338580 is a wasteful number, since it uses less digits than its factorization.

20280883338580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30260149 (or 30260147 counting only the distinct ones).

The product of its (nonzero) digits is 17694720, while the sum is 58.

The spelling of 20280883338580 in words is "twenty trillion, two hundred eighty billion, eight hundred eighty-three million, three hundred thirty-eight thousand, five hundred eighty".