20495175174780 has 48 divisors (see below), whose sum is σ = 58359142880640. Its totient is φ = 5372746485568.

The previous prime is 20495175174707. The next prime is 20495175174889. The reversal of 20495175174780 is 8747157159402.

It is a Harshad number since it is a multiple of its sum of digits (60).

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, 2894795214 + ... + 2894802293.

It is an arithmetic number, because the mean of its divisors is an integer number (1215815476680).

Almost surely, 2^{20495175174780} is an apocalyptic number.

20495175174780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20495175174780 is an abundant number, since it is smaller than the sum of its proper divisors (37863967705860).

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

20495175174780 is a wasteful number, since it uses less digits than its factorization.

20495175174780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5789597578 (or 5789597576 counting only the distinct ones).

The product of its (nonzero) digits is 19756800, while the sum is 60.

The spelling of 20495175174780 in words is "twenty trillion, four hundred ninety-five billion, one hundred seventy-five million, one hundred seventy-four thousand, seven hundred eighty".