19272231120 has 80 divisors (see below), whose sum is σ = 60324031872. Its totient is φ = 5089359360.

The previous prime is 19272231113. The next prime is 19272231127. The reversal of 19272231120 is 2113227291.

It is an interprime number because it is at equal distance from previous prime (19272231113) and next prime (19272231127).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19272231127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 365091 + ... + 414530.

Almost surely, 2^19272231120 is an apocalyptic number.

19272231120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19272231120 is an abundant number, since it is smaller than the sum of its proper divisors (41051800752).

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

19272231120 is a wasteful number, since it uses less digits than its factorization.

19272231120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779740 (or 779734 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The spelling of 19272231120 in words is "nineteen billion, two hundred seventy-two million, two hundred thirty-one thousand, one hundred twenty".