19620963072 has 108 divisors (see below), whose sum is σ = 58667521640. Its totient is φ = 6540300288.

The previous prime is 19620963017. The next prime is 19620963097. The reversal of 19620963072 is 27036902691.

It is a happy number.

19620963072 is a `hidden beast` number, since 1 + 9 + 6 + 2 + 0 + 9 + 630 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (108).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95497 + ... + 219912.

Almost surely, 2^19620963072 is an apocalyptic number.

19620963072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19620963072 is an abundant number, since it is smaller than the sum of its proper divisors (39046558568).

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

19620963072 is an frugal number, since it uses more digits than its factorization.

19620963072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315440 (or 315414 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The spelling of 19620963072 in words is "nineteen billion, six hundred twenty million, nine hundred sixty-three thousand, seventy-two".