100159020 has 144 divisors (see below), whose sum is σ = 341595072. Its totient is φ = 23569920.

The previous prime is 100159009. The next prime is 100159027. The reversal of 100159020 is 20951001.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 100158984 and 100159002.

It is not an unprimeable number, because it can be changed into a prime (100159027) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52890 + ... + 54750.

It is an arithmetic number, because the mean of its divisors is an integer number (2372188).

Almost surely, 2^100159020 is an apocalyptic number.

100159020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100159020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170797536).

100159020 is an abundant number, since it is smaller than the sum of its proper divisors (241436052).

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

100159020 is a wasteful number, since it uses less digits than its factorization.

100159020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1912 (or 1907 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 100159020 is about 10007.9478415907. The cubic root of 100159020 is about 464.4047882134.

The spelling of 100159020 in words is "one hundred million, one hundred fifty-nine thousand, twenty".