1015220200 has 48 divisors (see below), whose sum is σ = 2369223360. Its totient is φ = 404568000.

The previous prime is 1015220117. The next prime is 1015220201. The reversal of 1015220200 is 20225101.

It is not an unprimeable number, because it can be changed into a prime (1015220201) 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, 44835 + ... + 63565.

It is an arithmetic number, because the mean of its divisors is an integer number (49358820).

Almost surely, 2^1015220200 is an apocalyptic number.

1015220200 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 1015220200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1184611680).

1015220200 is an abundant number, since it is smaller than the sum of its proper divisors (1354003160).

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

1015220200 is a wasteful number, since it uses less digits than its factorization.

1015220200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19018 (or 19009 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 1015220200 is about 31862.5203020728. The cubic root of 1015220200 is about 1005.0478760721.

Adding to 1015220200 its reverse (20225101), we get a palindrome (1035445301).

The spelling of 1015220200 in words is "one billion, fifteen million, two hundred twenty thousand, two hundred".