1020252236 has 12 divisors (see below), whose sum is σ = 1787460528. Its totient is φ = 509549232.

The previous prime is 1020252203. The next prime is 1020252251. The reversal of 1020252236 is 6322520201.

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, 140231 + ... + 147326.

It is an arithmetic number, because the mean of its divisors is an integer number (148955044).

Almost surely, 2^1020252236 is an apocalyptic number.

It is an amenable number.

1020252236 is a deficient number, since it is larger than the sum of its proper divisors (767208292).

1020252236 is a wasteful number, since it uses less digits than its factorization.

1020252236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288448 (or 288446 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1020252236 is about 31941.3875089984. The cubic root of 1020252236 is about 1006.7056786971.

Adding to 1020252236 its reverse (6322520201), we get a palindrome (7342772437).

The spelling of 1020252236 in words is "one billion, twenty million, two hundred fifty-two thousand, two hundred thirty-six".