20303020023 has 32 divisors (see below), whose sum is σ = 33186101760. Its totient is φ = 10864487040.

The previous prime is 20303019967. The next prime is 20303020063. The reversal of 20303020023 is 32002030302.

It is not a de Polignac number, because 20303020023 - 2⁹ = 20303019511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20303019984 and 20303020011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20303020063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1018968 + ... + 1038701.

It is an arithmetic number, because the mean of its divisors is an integer number (1037065680).

Almost surely, 2^20303020023 is an apocalyptic number.

20303020023 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20303020023 is a deficient number, since it is larger than the sum of its proper divisors (12883081737).

20303020023 is a wasteful number, since it uses less digits than its factorization.

20303020023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2057719.

The product of its (nonzero) digits is 216, while the sum is 15.

Adding to 20303020023 its reverse (32002030302), we get a palindrome (52305050325).

The spelling of 20303020023 in words is "twenty billion, three hundred three million, twenty thousand, twenty-three".