20463001423500 has 96 divisors (see below), whose sum is σ = 59594692405248. Its totient is φ = 5456211345600.

The previous prime is 20463001423471. The next prime is 20463001423511. The reversal of 20463001423500 is 532410036402.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 13252869 + ... + 14716131.

It is an arithmetic number, because the mean of its divisors is an integer number (620778045888).

Almost surely, 2^{20463001423500} is an apocalyptic number.

20463001423500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20463001423500 is an abundant number, since it is smaller than the sum of its proper divisors (39131690981748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20463001423500 is a wasteful number, since it uses less digits than its factorization.

20463001423500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1472608 (or 1472596 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 20463001423500 its reverse (532410036402), we get a palindrome (20995411459902).

The spelling of 20463001423500 in words is "twenty trillion, four hundred sixty-three billion, one million, four hundred twenty-three thousand, five hundred".