1020152553 has 32 divisors (see below), whose sum is σ = 1577748480. Its totient is φ = 574300800.

The previous prime is 1020152543. The next prime is 1020152569. The reversal of 1020152553 is 3552510201.

It is a happy number.

It is not a de Polignac number, because 1020152553 - 2¹⁸ = 1019890409 is a prime.

It is a super-2 number, since 2×1020152553² = 2081422462784835618, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1020152513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 398628 + ... + 401178.

It is an arithmetic number, because the mean of its divisors is an integer number (49304640).

Almost surely, 2^1020152553 is an apocalyptic number.

It is an amenable number.

1020152553 is a deficient number, since it is larger than the sum of its proper divisors (557595927).

1020152553 is a wasteful number, since it uses less digits than its factorization.

1020152553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2837.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 1020152553 is about 31939.8270659063. The cubic root of 1020152553 is about 1006.6728911481.

Adding to 1020152553 its reverse (3552510201), we get a palindrome (4572662754).

The spelling of 1020152553 in words is "one billion, twenty million, one hundred fifty-two thousand, five hundred fifty-three".