20023451301 has 32 divisors (see below), whose sum is σ = 31578478848. Its totient is φ = 11047772160.

The previous prime is 20023451299. The next prime is 20023451303. The reversal of 20023451301 is 10315432002.

It is an interprime number because it is at equal distance from previous prime (20023451299) and next prime (20023451303).

It is not a de Polignac number, because 20023451301 - 2¹ = 20023451299 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20023451303) 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, 36360 + ... + 203393.

It is an arithmetic number, because the mean of its divisors is an integer number (986827464).

Almost surely, 2^20023451301 is an apocalyptic number.

20023451301 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20023451301 is a deficient number, since it is larger than the sum of its proper divisors (11555027547).

20023451301 is a wasteful number, since it uses less digits than its factorization.

20023451301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239901.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 20023451301 its reverse (10315432002), we get a palindrome (30338883303).

The spelling of 20023451301 in words is "twenty billion, twenty-three million, four hundred fifty-one thousand, three hundred one".