19827022190 has 16 divisors (see below), whose sum is σ = 35690243328. Its totient is φ = 7930452576.

The previous prime is 19827022181. The next prime is 19827022217. The reversal of 19827022190 is 9122072891.

It is a super-2 number, since 2×19827022190² (a number of 21 digits) contains 22 as substring.

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, 412979 + ... + 458481.

It is an arithmetic number, because the mean of its divisors is an integer number (2230640208).

Almost surely, 2^19827022190 is an apocalyptic number.

19827022190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19827022190 is a deficient number, since it is larger than the sum of its proper divisors (15863221138).

19827022190 is a wasteful number, since it uses less digits than its factorization.

19827022190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89083.

The product of its (nonzero) digits is 36288, while the sum is 41.

The spelling of 19827022190 in words is "nineteen billion, eight hundred twenty-seven million, twenty-two thousand, one hundred ninety".