10205316502 has 4 divisors (see below), whose sum is σ = 15307974756. Its totient is φ = 5102658250.

The previous prime is 10205316497. The next prime is 10205316503. The reversal of 10205316502 is 20561350201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20561350201 = 7 ⋅2937335743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10205316503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2551329124 + ... + 2551329127.

It is an arithmetic number, because the mean of its divisors is an integer number (3826993689).

Almost surely, 2^10205316502 is an apocalyptic number.

10205316502 is a deficient number, since it is larger than the sum of its proper divisors (5102658254).

10205316502 is an equidigital number, since it uses as much as digits as its factorization.

10205316502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5102658253.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 10205316502 its reverse (20561350201), we get a palindrome (30766666703).

The spelling of 10205316502 in words is "ten billion, two hundred five million, three hundred sixteen thousand, five hundred two".