20780735150476 has 36 divisors (see below), whose sum is σ = 42305671947000. Its totient is φ = 8905601448576.

The previous prime is 20780735150449. The next prime is 20780735150477. The reversal of 20780735150476 is 67405153708702.

It is not an unprimeable number, because it can be changed into a prime (20780735150477) 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, 1559620 + ... + 6632788.

Almost surely, 2^{20780735150476} is an apocalyptic number.

It is an amenable number.

20780735150476 is an abundant number, since it is smaller than the sum of its proper divisors (21524936796524).

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

20780735150476 is a wasteful number, since it uses less digits than its factorization.

20780735150476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5094086 (or 5094077 counting only the distinct ones).

The product of its (nonzero) digits is 9878400, while the sum is 55.

The spelling of 20780735150476 in words is "twenty trillion, seven hundred eighty billion, seven hundred thirty-five million, one hundred fifty thousand, four hundred seventy-six".