Search a number
-
+
20022302111 = 72860328873
BaseRepresentation
bin10010101001011011…
…000001010110011111
31220200101111022222212
4102221123001112133
5312001202131421
613110443231035
71306112521430
oct225133012637
956611438885
1020022302111
118545081a19
123a6951847b
131b711b5b56
14d7d24d487
157c2bc3e5b
hex4a96c159f

20022302111 has 4 divisors (see below), whose sum is σ = 22882630992. Its totient is φ = 17161973232.

The previous prime is 20022302101. The next prime is 20022302123. The reversal of 20022302111 is 11120322002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11120322002 = 25560161001.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20022302111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022302101) 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, 1430164430 + ... + 1430164443.

It is an arithmetic number, because the mean of its divisors is an integer number (5720657748).

Almost surely, 220022302111 is an apocalyptic number.

20022302111 is a deficient number, since it is larger than the sum of its proper divisors (2860328881).

20022302111 is an equidigital number, since it uses as much as digits as its factorization.

20022302111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2860328880.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20022302111 its reverse (11120322002), we get a palindrome (31142624113).

The spelling of 20022302111 in words is "twenty billion, twenty-two million, three hundred two thousand, one hundred eleven".

Divisors: 1 7 2860328873 20022302111