152105220 has 72 divisors (see below), whose sum is σ = 476286720. Its totient is φ = 39251520.

The previous prime is 152105179. The next prime is 152105221. The reversal of 152105220 is 22501251.

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 = 152105193 and 152105202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152105221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8050 + ... + 19209.

Almost surely, 2^152105220 is an apocalyptic number.

152105220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152105220 is an abundant number, since it is smaller than the sum of its proper divisors (324181500).

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

152105220 is a wasteful number, since it uses less digits than its factorization.

152105220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27305 (or 27300 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 152105220 is about 12333.0945021921. The cubic root of 152105220 is about 533.8034457357.

Adding to 152105220 its reverse (22501251), we get a palindrome (174606471).

The spelling of 152105220 in words is "one hundred fifty-two million, one hundred five thousand, two hundred twenty".