20023011400 has 192 divisors, whose sum is σ = 56457993600. Its totient is φ = 6446960640.

The previous prime is 20023011377. The next prime is 20023011413. The reversal of 20023011400 is 411032002.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18730066 + ... + 18731134.

It is an arithmetic number, because the mean of its divisors is an integer number (294052050).

Almost surely, 2^20023011400 is an apocalyptic number.

20023011400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20023011400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28228996800).

20023011400 is an abundant number, since it is smaller than the sum of its proper divisors (36434982200).

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

20023011400 is a wasteful number, since it uses less digits than its factorization.

20023011400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1896 (or 1887 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20023011400 its reverse (411032002), we get a palindrome (20434043402).

The spelling of 20023011400 in words is "twenty billion, twenty-three million, eleven thousand, four hundred".