20313262404303 has 16 divisors (see below), whose sum is σ = 29699654509056. Its totient is φ = 12247280202240.

The previous prime is 20313262404299. The next prime is 20313262404341. The reversal of 20313262404303 is 30340426231302.

It is not a de Polignac number, because 20313262404303 - 2² = 20313262404299 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20313262404343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1594691575 + ... + 1594704312.

It is an arithmetic number, because the mean of its divisors is an integer number (1856228406816).

Almost surely, 2^{20313262404303} is an apocalyptic number.

20313262404303 is a deficient number, since it is larger than the sum of its proper divisors (9386392104753).

20313262404303 is a wasteful number, since it uses less digits than its factorization.

20313262404303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3189396094.

The product of its (nonzero) digits is 62208, while the sum is 33.

Adding to 20313262404303 its reverse (30340426231302), we get a palindrome (50653688635605).

The spelling of 20313262404303 in words is "twenty trillion, three hundred thirteen billion, two hundred sixty-two million, four hundred four thousand, three hundred three".