19902130332 has 24 divisors (see below), whose sum is σ = 53072347776. Its totient is φ = 5686322928.

The previous prime is 19902130331. The next prime is 19902130357. The reversal of 19902130332 is 23303120991.

It is a junction number, because it is equal to n+sod(n) for n = 19902130293 and 19902130302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19902130331) 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, 118464978 + ... + 118465145.

It is an arithmetic number, because the mean of its divisors is an integer number (2211347824).

Almost surely, 2^19902130332 is an apocalyptic number.

19902130332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19902130332 is an abundant number, since it is smaller than the sum of its proper divisors (33170217444).

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

19902130332 is a wasteful number, since it uses less digits than its factorization.

19902130332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236930137 (or 236930135 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 33.

The spelling of 19902130332 in words is "nineteen billion, nine hundred two million, one hundred thirty thousand, three hundred thirty-two".