2015220652 has 12 divisors (see below), whose sum is σ = 3536462160. Its totient is φ = 1004802896.

The previous prime is 2015220611. The next prime is 2015220677. The reversal of 2015220652 is 2560225102.

It is a happy number.

It is a super-2 number, since 2×2015220652² = 8122228552494610208, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 700243 + ... + 703114.

It is an arithmetic number, because the mean of its divisors is an integer number (294705180).

Almost surely, 2^2015220652 is an apocalyptic number.

It is an amenable number.

2015220652 is a deficient number, since it is larger than the sum of its proper divisors (1521241508).

2015220652 is a wasteful number, since it uses less digits than its factorization.

2015220652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403720 (or 1403718 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2015220652 is about 44891.2090726013. The cubic root of 2015220652 is about 1263.1091127624.

Adding to 2015220652 its reverse (2560225102), we get a palindrome (4575445754).

It can be divided in two parts, 20152 and 20652, that added together give a palindrome (40804).

The spelling of 2015220652 in words is "two billion, fifteen million, two hundred twenty thousand, six hundred fifty-two".