Search a number
-
+
20450402246610 = 2345721635415843
BaseRepresentation
bin1001010011001011110101…
…11101100001111111010010
32200102001001200202021220000
410221211322331201333102
510140024410433342420
6111254441325230430
74210331013655200
oct451457275417722
980361050667800
1020450402246610
116574a6aa222a6
122363512402416
13b54606b0bb2b
14509b3a33c070
15256e665cd690
hex12997af61fd2

20450402246610 has 480 divisors, whose sum is σ = 64489063902912. Its totient is φ = 4636319627520.

The previous prime is 20450402246609. The next prime is 20450402246623. The reversal of 20450402246610 is 1664220405402.

20450402246610 is a `hidden beast` number, since 2 + 0 + 4 + 5 + 0 + 402 + 246 + 6 + 1 + 0 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 3499980349 + ... + 3499986191.

Almost surely, 220450402246610 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20450402246610, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32244531951456).

20450402246610 is an abundant number, since it is smaller than the sum of its proper divisors (44038661656302).

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

20450402246610 is a wasteful number, since it uses less digits than its factorization.

20450402246610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6580 (or 6564 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The spelling of 20450402246610 in words is "twenty trillion, four hundred fifty billion, four hundred two million, two hundred forty-six thousand, six hundred ten".