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20202201222 = 2371229391379
BaseRepresentation
bin10010110100001001…
…010010000010000110
31221010221000011011220
4102310021102002012
5312333230414342
613140351141210
71313425606560
oct226411220206
957127004156
1020202201222
118627685875
123ab9814806
131b9c552b28
14d990bc330
157d38ac5ec
hex4b4252086

20202201222 has 32 divisors (see below), whose sum is σ = 46214150400. Its totient is φ = 5767346208.

The previous prime is 20202201163. The next prime is 20202201223. The reversal of 20202201222 is 22210220202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202201223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144072 + ... + 247307.

It is an arithmetic number, because the mean of its divisors is an integer number (1444192200).

Almost surely, 220202201222 is an apocalyptic number.

20202201222 is an abundant number, since it is smaller than the sum of its proper divisors (26011949178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20202201222 is a wasteful number, since it uses less digits than its factorization.

20202201222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392620.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 20202201222 its reverse (22210220202), we get a palindrome (42412421424).

The spelling of 20202201222 in words is "twenty billion, two hundred two million, two hundred one thousand, two hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 42 1229 2458 3687 7374 8603 17206 25809 51618 391379 782758 1174137 2348274 2739653 5479306 8218959 16437918 481004791 962009582 1443014373 2886028746 3367033537 6734067074 10101100611 20202201222