19922741727426 has 64 divisors (see below), whose sum is σ = 46307396355840. Its totient is φ = 6337090045440.

The previous prime is 19922741727409. The next prime is 19922741727437. The reversal of 19922741727426 is 62472714722991.

19922741727426 is a `hidden beast` number, since 1 + 9 + 92 + 274 + 1 + 7 + 274 + 2 + 6 = 666.

It is a super-2 number, since 2×19922741727426² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18528015 + ... + 19573778.

It is an arithmetic number, because the mean of its divisors is an integer number (723553068060).

Almost surely, 2^{19922741727426} is an apocalyptic number.

19922741727426 is an abundant number, since it is smaller than the sum of its proper divisors (26384654628414).

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

19922741727426 is a wasteful number, since it uses less digits than its factorization.

19922741727426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38102248 (or 38102242 counting only the distinct ones).

The product of its digits is 42674688, while the sum is 63.

The spelling of 19922741727426 in words is "nineteen trillion, nine hundred twenty-two billion, seven hundred forty-one million, seven hundred twenty-seven thousand, four hundred twenty-six".