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20211202222013 = 1110996211670923
BaseRepresentation
bin1001001100001110010011…
…00001110110011110111101
32122120011122102201000211202
410212013021201312132331
510122120020232101023
6110552521554425245
74154132301212165
oct446071141663675
978504572630752
1020211202222013
116492582827460
122325096892225
13b37ba63b203a
144dc32800d5a5
15250b169e2128
hex1261c98767bd

20211202222013 has 8 divisors (see below), whose sum is σ = 22048617488736. Its totient is φ = 18373792496400.

The previous prime is 20211202221961. The next prime is 20211202222061. The reversal of 20211202222013 is 31022220211202.

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

It is not a de Polignac number, because 20211202222013 - 26 = 20211202221949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211202222513) 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, 11260370 + ... + 12931292.

It is an arithmetic number, because the mean of its divisors is an integer number (2756077186092).

Almost surely, 220211202222013 is an apocalyptic number.

It is an amenable number.

20211202222013 is a deficient number, since it is larger than the sum of its proper divisors (1837415266723).

20211202222013 is a wasteful number, since it uses less digits than its factorization.

20211202222013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2770555.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20211202222013 its reverse (31022220211202), we get a palindrome (51233422433215).

The spelling of 20211202222013 in words is "twenty trillion, two hundred eleven billion, two hundred two million, two hundred twenty-two thousand, thirteen".

Divisors: 1 11 1099621 1670923 12095831 18380153 1837382020183 20211202222013