20333849040 has 160 divisors (see below), whose sum is σ = 71025811200. Its totient is φ = 5345948160.

The previous prime is 20333848999. The next prime is 20333849059. The reversal of 20333849040 is 4094833302.

It is a happy number.

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 = 20333848986 and 20333849004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87066 + ... + 219654.

It is an arithmetic number, because the mean of its divisors is an integer number (443911320).

Almost surely, 2^20333849040 is an apocalyptic number.

20333849040 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 20333849040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35512905600).

20333849040 is an abundant number, since it is smaller than the sum of its proper divisors (50691962160).

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

20333849040 is a wasteful number, since it uses less digits than its factorization.

20333849040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132682 (or 132670 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The spelling of 20333849040 in words is "twenty billion, three hundred thirty-three million, eight hundred forty-nine thousand, forty".