150561020 has 24 divisors (see below), whose sum is σ = 323891568. Its totient is φ = 58755200.

The previous prime is 150561001. The next prime is 150561023. The reversal of 150561020 is 20165051.

150561020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 150560983 and 150561001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150561023) 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, 90986 + ... + 92625.

It is an arithmetic number, because the mean of its divisors is an integer number (13495482).

Almost surely, 2^150561020 is an apocalyptic number.

150561020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

150561020 is an abundant number, since it is smaller than the sum of its proper divisors (173330548).

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

150561020 is a wasteful number, since it uses less digits than its factorization.

150561020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183661 (or 183659 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 150561020 is about 12270.3308838841. The cubic root of 150561020 is about 531.9908745867.

The spelling of 150561020 in words is "one hundred fifty million, five hundred sixty-one thousand, twenty".