Search a number
-
+
20351835366 = 2323111467751
BaseRepresentation
bin10010111101000100…
…000101110011100110
31221112100120100122020
4102331010011303212
5313140032212431
613203254244010
71320223513662
oct227504056346
957470510566
1020351835366
1186a4098155
123b3b956606
131bc4554345
14db0d0d8a2
157e1ab8696
hex4bd105ce6

20351835366 has 16 divisors (see below), whose sum is σ = 40721311488. Its totient is φ = 6781005000.

The previous prime is 20351835359. The next prime is 20351835367. The reversal of 20351835366 is 66353815302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20351835367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 720010 + ... + 747741.

It is an arithmetic number, because the mean of its divisors is an integer number (2545081968).

Almost surely, 220351835366 is an apocalyptic number.

20351835366 is an abundant number, since it is smaller than the sum of its proper divisors (20369476122).

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

20351835366 is a wasteful number, since it uses less digits than its factorization.

20351835366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1470067.

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 20351835366 in words is "twenty billion, three hundred fifty-one million, eight hundred thirty-five thousand, three hundred sixty-six".

Divisors: 1 2 3 6 2311 4622 6933 13866 1467751 2935502 4403253 8806506 3391972561 6783945122 10175917683 20351835366