1152502020 has 120 divisors (see below), whose sum is σ = 3651071424. Its totient is φ = 304305984.

The previous prime is 1152502003. The next prime is 1152502049. The reversal of 1152502020 is 202052511.

It is a super-2 number, since 2×1152502020² = 2656521812208160800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1152501984 and 1152502002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 163407 + ... + 170313.

Almost surely, 2^1152502020 is an apocalyptic number.

1152502020 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 1152502020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1825535712).

1152502020 is an abundant number, since it is smaller than the sum of its proper divisors (2498569404).

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

1152502020 is a wasteful number, since it uses less digits than its factorization.

1152502020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7031 (or 7020 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 1152502020 is about 33948.5201444776. The cubic root of 1152502020 is about 1048.4488115640.

Adding to 1152502020 its reverse (202052511), we get a palindrome (1354554531).

The spelling of 1152502020 in words is "one billion, one hundred fifty-two million, five hundred two thousand, twenty".