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20022111131 = 1117107070113
BaseRepresentation
bin10010101001011010…
…010010101110011011
31220200101010122000112
4102221122102232123
5312001130024011
613110435154535
71306111064561
oct225132225633
956611118015
1020022111131
118544a61490
123a69445a4b
131b71149c49
14d7d1dda31
157c2b8758b
hex4a9692b9b

20022111131 has 8 divisors (see below), whose sum is σ = 23127144624. Its totient is φ = 17131217920.

The previous prime is 20022111103. The next prime is 20022111167. The reversal of 20022111131 is 13111122002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20022111131 is a prime.

It is a super-2 number, since 2×200221111312 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20022111101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53534870 + ... + 53535243.

It is an arithmetic number, because the mean of its divisors is an integer number (2890893078).

Almost surely, 220022111131 is an apocalyptic number.

20022111131 is a deficient number, since it is larger than the sum of its proper divisors (3105033493).

20022111131 is a wasteful number, since it uses less digits than its factorization.

20022111131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107070141.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 20022111131 its reverse (13111122002), we get a palindrome (33133233133).

The spelling of 20022111131 in words is "twenty billion, twenty-two million, one hundred eleven thousand, one hundred thirty-one".

Divisors: 1 11 17 187 107070113 1177771243 1820191921 20022111131