1020513332 has 72 divisors (see below), whose sum is σ = 2021779200. Its totient is φ = 449335296.

The previous prime is 1020513331. The next prime is 1020513337. The reversal of 1020513332 is 2333150201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020513331) 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, 2130269 + ... + 2130747.

Almost surely, 2^1020513332 is an apocalyptic number.

It is an amenable number.

1020513332 is a deficient number, since it is larger than the sum of its proper divisors (1001265868).

1020513332 is a wasteful number, since it uses less digits than its factorization.

1020513332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633 (or 614 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 1020513332 is about 31945.4743586631. The cubic root of 1020513332 is about 1006.7915477916.

Adding to 1020513332 its reverse (2333150201), we get a palindrome (3353663533).

The spelling of 1020513332 in words is "one billion, twenty million, five hundred thirteen thousand, three hundred thirty-two".