1013032220 has 12 divisors (see below), whose sum is σ = 2127367704. Its totient is φ = 405212880.

The previous prime is 1013032151. The next prime is 1013032249. The reversal of 1013032220 is 222303101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1013032195 and 1013032204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25325786 + ... + 25325825.

It is an arithmetic number, because the mean of its divisors is an integer number (177280642).

Almost surely, 2^1013032220 is an apocalyptic number.

1013032220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1013032220 is an abundant number, since it is smaller than the sum of its proper divisors (1114335484).

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

1013032220 is a wasteful number, since it uses less digits than its factorization.

1013032220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50651620 (or 50651618 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1013032220 is about 31828.1670851465. The cubic root of 1013032220 is about 1004.3253378125.

Adding to 1013032220 its reverse (222303101), we get a palindrome (1235335321).

The spelling of 1013032220 in words is "one billion, thirteen million, thirty-two thousand, two hundred twenty".