Search a number
-
+
20333510304 = 253211807399
BaseRepresentation
bin10010111011111110…
…001011111010100000
31221111002002100101020
4102323332023322200
5313120334312204
613201401405440
71316611662102
oct227376137240
957432070336
1020333510304
118694811278
123b35799880
131bc0809403
14dac6dd572
157e0198bd9
hex4bbf8bea0

20333510304 has 24 divisors (see below), whose sum is σ = 53375464800. Its totient is φ = 6777836736.

The previous prime is 20333510303. The next prime is 20333510339. The reversal of 20333510304 is 40301533302.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (20333510303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105903604 + ... + 105903795.

It is an arithmetic number, because the mean of its divisors is an integer number (2223977700).

Almost surely, 220333510304 is an apocalyptic number.

20333510304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20333510304 is an abundant number, since it is smaller than the sum of its proper divisors (33041954496).

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

20333510304 is a wasteful number, since it uses less digits than its factorization.

20333510304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211807412 (or 211807404 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 24.

The spelling of 20333510304 in words is "twenty billion, three hundred thirty-three million, five hundred ten thousand, three hundred four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 211807399 423614798 635422197 847229596 1270844394 1694459192 2541688788 3388918384 5083377576 6777836768 10166755152 20333510304