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20202202102211 = 313259511999331
BaseRepresentation
bin1001001011111101100010…
…00101000111100111000011
32122112022102012101120111022
410211332301011013213003
510121443102214232321
6110544432530540055
74153363254361643
oct445766105074703
978468365346438
1020202202102211
116489784464218
1223233a473762b
13b370a08bc36c
144dbb129a6523
1525078b7dedab
hex125fb11479c3

20202202102211 has 8 divisors (see below), whose sum is σ = 20853960450048. Its totient is φ = 19550448405000.

The previous prime is 20202202102189. The next prime is 20202202102219. The reversal of 20202202102211 is 11220120220202.

It is a happy number.

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-20202202102211 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 20202202102211.

It is not an unprimeable number, because it can be changed into a prime (20202202102219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9104816 + ... + 11104146.

It is an arithmetic number, because the mean of its divisors is an integer number (2606745056256).

Almost surely, 220202202102211 is an apocalyptic number.

20202202102211 is a deficient number, since it is larger than the sum of its proper divisors (651758347837).

20202202102211 is a wasteful number, since it uses less digits than its factorization.

20202202102211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2325313.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20202202102211 its reverse (11220120220202), we get a palindrome (31422322322413).

The spelling of 20202202102211 in words is "twenty trillion, two hundred two billion, two hundred two million, one hundred two thousand, two hundred eleven".

Divisors: 1 31 325951 1999331 10104481 61979261 651683938781 20202202102211