6236400020 has 96 divisors (see below), whose sum is σ = 14803326720. Its totient is φ = 2192762880.

The previous prime is 6236400007. The next prime is 6236400029. The reversal of 6236400020 is 200046326.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6236400029) 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, 451862 + ... + 465458.

It is an arithmetic number, because the mean of its divisors is an integer number (154201320).

Almost surely, 2^6236400020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6236400020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7401663360).

6236400020 is an abundant number, since it is smaller than the sum of its proper divisors (8566926700).

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

6236400020 is a wasteful number, since it uses less digits than its factorization.

6236400020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13713 (or 13711 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 6236400020 is about 78970.8808359132. The cubic root of 6236400020 is about 1840.6787055911.

Adding to 6236400020 its reverse (200046326), we get a palindrome (6436446346).

The spelling of 6236400020 in words is "six billion, two hundred thirty-six million, four hundred thousand, twenty".