220078949417692 has 48 divisors (see below), whose sum is σ = 389502496085248. Its totient is φ = 108794874677760.

The previous prime is 220078949417687. The next prime is 220078949417699. The reversal of 220078949417692 is 296714949870022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220078949417699) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1543616593 + ... + 1543759159.

Almost surely, 2^{220078949417692} is an apocalyptic number.

It is an amenable number.

220078949417692 is a deficient number, since it is larger than the sum of its proper divisors (169423546667556).

220078949417692 is a wasteful number, since it uses less digits than its factorization.

220078949417692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146666 (or 146664 counting only the distinct ones).

The product of its (nonzero) digits is 219469824, while the sum is 70.

The spelling of 220078949417692 in words is "two hundred twenty trillion, seventy-eight billion, nine hundred forty-nine million, four hundred seventeen thousand, six hundred ninety-two".