19900669092 has 24 divisors (see below), whose sum is σ = 46437182400. Its totient is φ = 6633229536.

The previous prime is 19900669091. The next prime is 19900669099. The reversal of 19900669092 is 29096600991.

It is not an unprimeable number, because it can be changed into a prime (19900669091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429009 + ... + 473127.

It is an arithmetic number, because the mean of its divisors is an integer number (1934882600).

Almost surely, 2^19900669092 is an apocalyptic number.

19900669092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19900669092 is an abundant number, since it is smaller than the sum of its proper divisors (26536513308).

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

19900669092 is a wasteful number, since it uses less digits than its factorization.

19900669092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81715 (or 81713 counting only the distinct ones).

The product of its (nonzero) digits is 472392, while the sum is 51.

The spelling of 19900669092 in words is "nineteen billion, nine hundred million, six hundred sixty-nine thousand, ninety-two".