1020253131202 has 4 divisors (see below), whose sum is σ = 1530379696806. Its totient is φ = 510126565600.

The previous prime is 1020253131197. The next prime is 1020253131269. The reversal of 1020253131202 is 2021313520201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 841771385361 + 178481745841 = 917481^2 + 422471^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255063282799 + ... + 255063282802.

Almost surely, 2^{1020253131202} is an apocalyptic number.

1020253131202 is a deficient number, since it is larger than the sum of its proper divisors (510126565604).

1020253131202 is an equidigital number, since it uses as much as digits as its factorization.

1020253131202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510126565603.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 1020253131202 its reverse (2021313520201), we get a palindrome (3041566651403).

The spelling of 1020253131202 in words is "one trillion, twenty billion, two hundred fifty-three million, one hundred thirty-one thousand, two hundred two".