Search a number
-
+
20002035186 = 23871973157
BaseRepresentation
bin10010101000001101…
…101101010111110010
31220121222100200000000
4102220031231113302
5311431010111221
613104441010430
71305445331250
oct225015552762
956558320000
1020002035186
11853469a0a1
123a62783a16
131b69c3b0a3
14d7a6955d0
157c101de26
hex4a836d5f2

20002035186 has 288 divisors, whose sum is σ = 55229266560. Its totient is φ = 5305906944.

The previous prime is 20002035173. The next prime is 20002035191. The reversal of 20002035186 is 68153020002.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 127401420 + ... + 127401576.

Almost surely, 220002035186 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20002035186, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27614633280).

20002035186 is an abundant number, since it is smaller than the sum of its proper divisors (35227231374).

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

20002035186 is an equidigital number, since it uses as much as digits as its factorization.

20002035186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 20002035186 its reverse (68153020002), we get a palindrome (88155055188).

The spelling of 20002035186 in words is "twenty billion, two million, thirty-five thousand, one hundred eighty-six".