20367383040 has 320 divisors, whose sum is σ = 74121505920. Its totient is φ = 5298094080.

The previous prime is 20367383027. The next prime is 20367383041. The reversal of 20367383040 is 4038376302.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 20367382986 and 20367383004.

It is not an unprimeable number, because it can be changed into a prime (20367383041) 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, 2830327 + ... + 2837513.

It is an arithmetic number, because the mean of its divisors is an integer number (231629706).

Almost surely, 2^20367383040 is an apocalyptic number.

20367383040 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 20367383040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37060752960).

20367383040 is an abundant number, since it is smaller than the sum of its proper divisors (53754122880).

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

20367383040 is an equidigital number, since it uses as much as digits as its factorization.

20367383040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7260 (or 7238 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The spelling of 20367383040 in words is "twenty billion, three hundred sixty-seven million, three hundred eighty-three thousand, forty".