19047120020 has 24 divisors (see below), whose sum is σ = 40001740800. Its totient is φ = 7618316832.

The previous prime is 19047120017. The next prime is 19047120041. The reversal of 19047120020 is 2002174091.

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, 396461 + ... + 441899.

It is an arithmetic number, because the mean of its divisors is an integer number (1666739200).

Almost surely, 2^19047120020 is an apocalyptic number.

19047120020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19047120020 is an abundant number, since it is smaller than the sum of its proper divisors (20954620780).

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

19047120020 is a wasteful number, since it uses less digits than its factorization.

19047120020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66407 (or 66405 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

The spelling of 19047120020 in words is "nineteen billion, forty-seven million, one hundred twenty thousand, twenty".