20145266662260 has 48 divisors (see below), whose sum is σ = 56752800342336. Its totient is φ = 5339113615872.

The previous prime is 20145266662259. The next prime is 20145266662319. The reversal of 20145266662260 is 6226666254102.

It is a congruent number.

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, 1029911829 + ... + 1029931388.

It is an arithmetic number, because the mean of its divisors is an integer number (1182350007132).

Almost surely, 2^{20145266662260} is an apocalyptic number.

20145266662260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20145266662260 is an abundant number, since it is smaller than the sum of its proper divisors (36607533680076).

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

20145266662260 is a wasteful number, since it uses less digits than its factorization.

20145266662260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2059843392 (or 2059843390 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 48.

The spelling of 20145266662260 in words is "twenty trillion, one hundred forty-five billion, two hundred sixty-six million, six hundred sixty-two thousand, two hundred sixty".