159836020 has 24 divisors (see below), whose sum is σ = 337058568. Its totient is φ = 63667200.

The previous prime is 159836009. The next prime is 159836029. The reversal of 159836020 is 20638951.

It can be written as a sum of positive squares in 4 ways, for example, as 72114064 + 87721956 = 8492^2 + 9366^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159836029) 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, 11761 + ... + 21400.

It is an arithmetic number, because the mean of its divisors is an integer number (14044107).

Almost surely, 2^159836020 is an apocalyptic number.

159836020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

159836020 is an abundant number, since it is smaller than the sum of its proper divisors (177222548).

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

159836020 is a wasteful number, since it uses less digits than its factorization.

159836020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33411 (or 33409 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 159836020 is about 12642.6271004092. The cubic root of 159836020 is about 542.6979973406.

The spelling of 159836020 in words is "one hundred fifty-nine million, eight hundred thirty-six thousand, twenty".