20191726022 has 16 divisors (see below), whose sum is σ = 33152117712. Its totient is φ = 9166482720.

The previous prime is 20191726019. The next prime is 20191726067. The reversal of 20191726022 is 22062719102.

It is a self number, because there is not a number n which added to its sum of digits gives 20191726022.

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, 6364028 + ... + 6367199.

It is an arithmetic number, because the mean of its divisors is an integer number (2072007357).

Almost surely, 2^20191726022 is an apocalyptic number.

20191726022 is a deficient number, since it is larger than the sum of its proper divisors (12960391690).

20191726022 is a wasteful number, since it uses less digits than its factorization.

20191726022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12731303.

The product of its (nonzero) digits is 6048, while the sum is 32.

The spelling of 20191726022 in words is "twenty billion, one hundred ninety-one million, seven hundred twenty-six thousand, twenty-two".