20302100023 has 32 divisors (see below), whose sum is σ = 22236166656. Its totient is φ = 18483873408.

The previous prime is 20302099969. The next prime is 20302100113. The reversal of 20302100023 is 32000120302.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20302100023 - 2⁹ = 20302099511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20302099976 and 20302100012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20302100123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8228236 + ... + 8230702.

It is an arithmetic number, because the mean of its divisors is an integer number (694880208).

Almost surely, 2^20302100023 is an apocalyptic number.

20302100023 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20302100023 is a deficient number, since it is larger than the sum of its proper divisors (1934066633).

20302100023 is a wasteful number, since it uses less digits than its factorization.

20302100023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2743.

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 20302100023 its reverse (32000120302), we get a palindrome (52302220325).

The spelling of 20302100023 in words is "twenty billion, three hundred two million, one hundred thousand, twenty-three".