Search a number
-
+
20014622342443 = 180471109027669
BaseRepresentation
bin1001000110100000001000…
…11101000111110100101011
32121212101020102222110120101
410203100010131013310223
510110404421304424233
6110322331321410231
74134002666622601
oct443200435076453
977771212873511
1020014622342443
116417176594373
1222b2b74639977
13b224a8811b81
144d29da255871
1524a95d94bc7d
hex123404747d2b

20014622342443 has 4 divisors (see below), whose sum is σ = 20015731388160. Its totient is φ = 20013513296728.

The previous prime is 20014622342419. The next prime is 20014622342479. The reversal of 20014622342443 is 34424322641002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20014622342443 - 25 = 20014622342411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20014622342483) 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, 554495788 + ... + 554531881.

It is an arithmetic number, because the mean of its divisors is an integer number (5003932847040).

Almost surely, 220014622342443 is an apocalyptic number.

20014622342443 is a deficient number, since it is larger than the sum of its proper divisors (1109045717).

20014622342443 is a wasteful number, since it uses less digits than its factorization.

20014622342443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109045716.

The product of its (nonzero) digits is 221184, while the sum is 37.

Adding to 20014622342443 its reverse (34424322641002), we get a palindrome (54438944983445).

The spelling of 20014622342443 in words is "twenty trillion, fourteen billion, six hundred twenty-two million, three hundred forty-two thousand, four hundred forty-three".

Divisors: 1 18047 1109027669 20014622342443