19228115020 has 12 divisors (see below), whose sum is σ = 40379041584. Its totient is φ = 7691246000.

The previous prime is 19228115017. The next prime is 19228115051. The reversal of 19228115020 is 2051182291.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480702856 + ... + 480702895.

It is an arithmetic number, because the mean of its divisors is an integer number (3364920132).

Almost surely, 2^19228115020 is an apocalyptic number.

19228115020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19228115020 is an abundant number, since it is smaller than the sum of its proper divisors (21150926564).

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

19228115020 is a wasteful number, since it uses less digits than its factorization.

19228115020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961405760 (or 961405758 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 31.

The spelling of 19228115020 in words is "nineteen billion, two hundred twenty-eight million, one hundred fifteen thousand, twenty".