220741971694 has 16 divisors (see below), whose sum is σ = 332051079888. Its totient is φ = 110058705792.

The previous prime is 220741971677. The next prime is 220741971701. The reversal of 220741971694 is 496179147022.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 934009 + ... + 1146235.

It is an arithmetic number, because the mean of its divisors is an integer number (20753192493).

Almost surely, 2^220741971694 is an apocalyptic number.

220741971694 is a deficient number, since it is larger than the sum of its proper divisors (111309108194).

220741971694 is a wasteful number, since it uses less digits than its factorization.

220741971694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213699.

The product of its (nonzero) digits is 1524096, while the sum is 52.

The spelling of 220741971694 in words is "two hundred twenty billion, seven hundred forty-one million, nine hundred seventy-one thousand, six hundred ninety-four".