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20302101111 = 331721348161
BaseRepresentation
bin10010111010000110…
…010111101001110111
31221101212222121001210
4102322012113221313
5313034314213421
613154320252503
71316051004105
oct227206275167
957355877053
1020302101111
118679009066
123b27171133
131bb715cba6
14da8484c75
157dc542576
hex4ba197a77

20302101111 has 8 divisors (see below), whose sum is σ = 27154862064. Its totient is φ = 13492037120.

The previous prime is 20302101107. The next prime is 20302101139. The reversal of 20302101111 is 11110120302.

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 20302101111 - 22 = 20302101107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20302102111) 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, 10673130 + ... + 10675031.

It is an arithmetic number, because the mean of its divisors is an integer number (3394357758).

Almost surely, 220302101111 is an apocalyptic number.

20302101111 is a deficient number, since it is larger than the sum of its proper divisors (6852760953).

20302101111 is a wasteful number, since it uses less digits than its factorization.

20302101111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21348481.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 20302101111 its reverse (11110120302), we get a palindrome (31412221413).

The spelling of 20302101111 in words is "twenty billion, three hundred two million, one hundred one thousand, one hundred eleven".

Divisors: 1 3 317 951 21348161 64044483 6767367037 20302101111