20407456781150 has 48 divisors (see below), whose sum is σ = 38231019181680. Its totient is φ = 8104430073600.

The previous prime is 20407456781147. The next prime is 20407456781209. The reversal of 20407456781150 is 5118765470402.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1950212 + ... + 6679688.

It is an arithmetic number, because the mean of its divisors is an integer number (796479566285).

Almost surely, 2^{20407456781150} is an apocalyptic number.

20407456781150 is a deficient number, since it is larger than the sum of its proper divisors (17823562400530).

20407456781150 is a wasteful number, since it uses less digits than its factorization.

20407456781150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4730109 (or 4730104 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 50.

The spelling of 20407456781150 in words is "twenty trillion, four hundred seven billion, four hundred fifty-six million, seven hundred eighty-one thousand, one hundred fifty".