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20202222311 = 193683315319
BaseRepresentation
bin10010110100001001…
…010111001011100111
31221010221001020002222
4102310021113023213
5312333232103221
613140351422555
71313426025215
oct226411271347
957127036088
1020202222311
11862769a6a7
123ab9824a5b
131b9c55c5cb
14d990c5cb5
157d38b39ab
hex4b42572e7

20202222311 has 8 divisors (see below), whose sum is σ = 20311194720. Its totient is φ = 20093294592.

The previous prime is 20202222269. The next prime is 20202222329. The reversal of 20202222311 is 11322220202.

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

It is a cyclic number.

It is not a de Polignac number, because 20202222311 - 214 = 20202205927 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20202222311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202242311) 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, 1311110 + ... + 1326428.

It is an arithmetic number, because the mean of its divisors is an integer number (2538899340).

Almost surely, 220202222311 is an apocalyptic number.

20202222311 is a deficient number, since it is larger than the sum of its proper divisors (108972409).

20202222311 is a wasteful number, since it uses less digits than its factorization.

20202222311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22345.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20202222311 its reverse (11322220202), we get a palindrome (31524442513).

The spelling of 20202222311 in words is "twenty billion, two hundred two million, two hundred twenty-two thousand, three hundred eleven".

Divisors: 1 193 6833 15319 1318769 2956567 104674727 20202222311