320253342502 has 4 divisors (see below), whose sum is σ = 480380013756. Its totient is φ = 160126671250.

The previous prime is 320253342467. The next prime is 320253342509. The reversal of 320253342502 is 205243352023.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320253342509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80063335624 + ... + 80063335627.

It is an arithmetic number, because the mean of its divisors is an integer number (120095003439).

Almost surely, 2^320253342502 is an apocalyptic number.

320253342502 is a deficient number, since it is larger than the sum of its proper divisors (160126671254).

320253342502 is a wasteful number, since it uses less digits than its factorization.

320253342502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160126671253.

The product of its (nonzero) digits is 43200, while the sum is 31.

Adding to 320253342502 its reverse (205243352023), we get a palindrome (525496694525).

The spelling of 320253342502 in words is "three hundred twenty billion, two hundred fifty-three million, three hundred forty-two thousand, five hundred two".