20303000557023 has 16 divisors (see below), whose sum is σ = 27110599731072. Its totient is φ = 13515369420000.

The previous prime is 20303000557003. The next prime is 20303000557043. The reversal of 20303000557023 is 32075500030302.

It is an interprime number because it is at equal distance from previous prime (20303000557003) and next prime (20303000557043).

It is not a de Polignac number, because 20303000557023 - 2⁵ = 20303000556991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20303000557003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45224568 + ... + 45671298.

It is an arithmetic number, because the mean of its divisors is an integer number (1694412483192).

Almost surely, 2^{20303000557023} is an apocalyptic number.

20303000557023 is a deficient number, since it is larger than the sum of its proper divisors (6807599174049).

20303000557023 is a wasteful number, since it uses less digits than its factorization.

20303000557023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469046.

The product of its (nonzero) digits is 18900, while the sum is 30.

Adding to 20303000557023 its reverse (32075500030302), we get a palindrome (52378500587325).

The spelling of 20303000557023 in words is "twenty trillion, three hundred three billion, five hundred fifty-seven thousand, twenty-three".