20345861196050 has 48 divisors (see below), whose sum is σ = 40885368293952. Its totient is φ = 7488162542400.

The previous prime is 20345861196049. The next prime is 20345861196061. The reversal of 20345861196050 is 5069116854302.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20345861196050.

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, 50121524 + ... + 50525823.

It is an arithmetic number, because the mean of its divisors is an integer number (851778506124).

Almost surely, 2^{20345861196050} is an apocalyptic number.

20345861196050 is an abundant number, since it is smaller than the sum of its proper divisors (20539507097902).

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

20345861196050 is a wasteful number, since it uses less digits than its factorization.

20345861196050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100647683 (or 100647678 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 50.

The spelling of 20345861196050 in words is "twenty trillion, three hundred forty-five billion, eight hundred sixty-one million, one hundred ninety-six thousand, fifty".