159599020 has 24 divisors (see below), whose sum is σ = 383037984. Its totient is φ = 54719616.

The previous prime is 159599017. The next prime is 159599023. The reversal of 159599020 is 20995951.

It is an interprime number because it is at equal distance from previous prime (159599017) and next prime (159599023).

It is not an unprimeable number, because it can be changed into a prime (159599023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 569857 + ... + 570136.

It is an arithmetic number, because the mean of its divisors is an integer number (15959916).

Almost surely, 2^159599020 is an apocalyptic number.

159599020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

159599020 is an abundant number, since it is smaller than the sum of its proper divisors (223438964).

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

159599020 is a wasteful number, since it uses less digits than its factorization.

159599020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140009 (or 1140007 counting only the distinct ones).

The product of its (nonzero) digits is 36450, while the sum is 40.

The square root of 159599020 is about 12633.2505714088. The cubic root of 159599020 is about 542.4296326153.

The spelling of 159599020 in words is "one hundred fifty-nine million, five hundred ninety-nine thousand, twenty".