19433528020 has 48 divisors (see below), whose sum is σ = 41798550528. Its totient is φ = 7586733440.

The previous prime is 19433528017. The next prime is 19433528033. The reversal of 19433528020 is 2082533491.

It is a super-2 number, since 2×19433528020² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154467 + ... + 250453.

It is an arithmetic number, because the mean of its divisors is an integer number (870803136).

Almost surely, 2^19433528020 is an apocalyptic number.

19433528020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19433528020 is an abundant number, since it is smaller than the sum of its proper divisors (22365022508).

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

19433528020 is a wasteful number, since it uses less digits than its factorization.

19433528020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96240 (or 96238 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 19433528020 in words is "nineteen billion, four hundred thirty-three million, five hundred twenty-eight thousand, twenty".