2015220152 has 48 divisors (see below), whose sum is σ = 4171864200. Its totient is φ = 911908800.

The previous prime is 2015220143. The next prime is 2015220157. The reversal of 2015220152 is 2510225102.

It is a happy number.

It is a super-2 number, since 2×2015220152² = 8122224522053806208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2015220157) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 217127 + ... + 226217.

Almost surely, 2^2015220152 is an apocalyptic number.

2015220152 is a gapful number since it is divisible by the number (22) 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 2015220152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2085932100).

2015220152 is an abundant number, since it is smaller than the sum of its proper divisors (2156644048).

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

2015220152 is a wasteful number, since it uses less digits than its factorization.

2015220152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9348 (or 9333 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 2015220152 is about 44891.2035035819. The cubic root of 2015220152 is about 1263.1090082983.

Adding to 2015220152 its reverse (2510225102), we get a palindrome (4525445254).

It can be divided in two parts, 20152 and 20152, that added together give a palindrome (40304).

The spelling of 2015220152 in words is "two billion, fifteen million, two hundred twenty thousand, one hundred fifty-two".