20367488400 has 240 divisors, whose sum is σ = 74881243008. Its totient is φ = 4635648000.

The previous prime is 20367488389. The next prime is 20367488419. The reversal of 20367488400 is 488476302.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 2019370 + ... + 2029430.

Almost surely, 2^20367488400 is an apocalyptic number.

20367488400 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 20367488400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37440621504).

20367488400 is an abundant number, since it is smaller than the sum of its proper divisors (54513754608).

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

20367488400 is a wasteful number, since it uses less digits than its factorization.

20367488400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10330 (or 10319 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 42.

The spelling of 20367488400 in words is "twenty billion, three hundred sixty-seven million, four hundred eighty-eight thousand, four hundred".