20403276514220 has 48 divisors (see below), whose sum is σ = 43759770203520. Its totient is φ = 7987436838144.

The previous prime is 20403276514207. The next prime is 20403276514237. The reversal of 20403276514220 is 2241567230402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34597586 + ... + 35182374.

It is an arithmetic number, because the mean of its divisors is an integer number (911661879240).

Almost surely, 2^{20403276514220} is an apocalyptic number.

20403276514220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20403276514220 is an abundant number, since it is smaller than the sum of its proper divisors (23356493689300).

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

20403276514220 is a wasteful number, since it uses less digits than its factorization.

20403276514220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621962 (or 621960 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 38.

The spelling of 20403276514220 in words is "twenty trillion, four hundred three billion, two hundred seventy-six million, five hundred fourteen thousand, two hundred twenty".