Search a number
-
+
20202200069 is a prime number
BaseRepresentation
bin10010110100001001…
…010001110000000101
31221010221000002121012
4102310021101300011
5312333230400234
613140351132005
71313425603322
oct226411216005
957127002535
1020202200069
118627684a17
123ab9814005
131b9c55244c
14d990bbb49
157d38ac0ce
hex4b4251c05

20202200069 has 2 divisors, whose sum is σ = 20202200070. Its totient is φ = 20202200068.

The previous prime is 20202200017. The next prime is 20202200077. The reversal of 20202200069 is 96000220202.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10396249444 + 9805950625 = 101962^2 + 99025^2 .

It is a cyclic number.

It is not a de Polignac number, because 20202200069 - 232 = 15907232773 is a prime.

It is a super-2 number, since 2×202022000692 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20202203069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101100034 + 10101100035.

It is an arithmetic number, because the mean of its divisors is an integer number (10101100035).

Almost surely, 220202200069 is an apocalyptic number.

It is an amenable number.

20202200069 is a deficient number, since it is larger than the sum of its proper divisors (1).

20202200069 is an equidigital number, since it uses as much as digits as its factorization.

20202200069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The spelling of 20202200069 in words is "twenty billion, two hundred two million, two hundred thousand, sixty-nine".