20003507277416 has 64 divisors (see below), whose sum is σ = 40771797897600. Its totient is φ = 9145900124928.

The previous prime is 20003507277409. The next prime is 20003507277421. The reversal of 20003507277416 is 61477270530002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2853170 + ... + 6938846.

It is an arithmetic number, because the mean of its divisors is an integer number (637059342150).

Almost surely, 2^{20003507277416} is an apocalyptic number.

20003507277416 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20003507277416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20385898948800).

20003507277416 is an abundant number, since it is smaller than the sum of its proper divisors (20768290620184).

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

20003507277416 is a wasteful number, since it uses less digits than its factorization.

20003507277416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4086138 (or 4086134 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 44.

The spelling of 20003507277416 in words is "twenty trillion, three billion, five hundred seven million, two hundred seventy-seven thousand, four hundred sixteen".