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20122303201 = 741113103569
BaseRepresentation
bin10010101111011000…
…011111101011100001
31220221100122220200221
4102233120133223201
5312202302200301
613124414443041
71311435520000
oct225730375341
956840586627
1020122303201
118596574250
123a96b03481
131b88b29cb0
14d8c640c37
157cb878da1
hex4af61fae1

20122303201 has 80 divisors (see below), whose sum is σ = 27895271040. Its totient is φ = 14307874560.

The previous prime is 20122303199. The next prime is 20122303211. The reversal of 20122303201 is 10230322102.

It is not a de Polignac number, because 20122303201 - 21 = 20122303199 is a prime.

It is a super-2 number, since 2×201223032012 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20122303211) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 35364045 + ... + 35364613.

It is an arithmetic number, because the mean of its divisors is an integer number (348690888).

Almost surely, 220122303201 is an apocalyptic number.

It is an amenable number.

20122303201 is a deficient number, since it is larger than the sum of its proper divisors (7772967839).

20122303201 is a wasteful number, since it uses less digits than its factorization.

20122303201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724 (or 703 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20122303201 its reverse (10230322102), we get a palindrome (30352625303).

It can be divided in two parts, 20122 and 303201, that added together give a palindrome (323323).

The spelling of 20122303201 in words is "twenty billion, one hundred twenty-two million, three hundred three thousand, two hundred one".

Divisors: 1 7 11 13 49 77 91 103 143 343 539 569 637 721 1001 1133 1339 2401 3773 3983 4459 5047 6259 7007 7397 7931 9373 14729 26411 27881 31213 35329 43813 49049 51779 55517 58607 65611 81367 103103 195167 247303 306691 343343 362453 388619 410249 459277 569569 644677 721721 761891 1366169 2146837 2537171 2720333 2871743 3214939 3986983 4512739 5052047 5333237 8380801 15027859 17760197 20102201 27908881 31589173 35364329 37332659 58665607 140715407 195362167 221124211 261328613 410659249 1547869477 1829300291 2874614743 20122303201