19836545022 has 48 divisors (see below), whose sum is σ = 49230080640. Its totient is φ = 5654774736.

The previous prime is 19836544927. The next prime is 19836545041. The reversal of 19836545022 is 22054563891.

19836545022 is a `hidden beast` number, since 1 + 9 + 83 + 6 + 545 + 0 + 22 = 666.

It is a congruent number.

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, 121872 + ... + 233507.

It is an arithmetic number, because the mean of its divisors is an integer number (1025626680).

Almost surely, 2^19836545022 is an apocalyptic number.

19836545022 is an abundant number, since it is smaller than the sum of its proper divisors (29393535618).

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

19836545022 is a wasteful number, since it uses less digits than its factorization.

19836545022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355837 (or 355834 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 19836545022 in words is "nineteen billion, eight hundred thirty-six million, five hundred forty-five thousand, twenty-two".