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20072022345 = 35516520183
BaseRepresentation
bin10010101100011000…
…101100000101001001
31220210212001101100000
4102230120230011021
5312101414203340
613115421033213
71310255242404
oct225430540511
956725041300
1020072022345
118570151521
123a820b5809
131b7b5a3acb
14d85ab2d3b
157c7245d30
hex4ac62c149

20072022345 has 24 divisors (see below), whose sum is σ = 36080081856. Its totient is φ = 10705077936.

The previous prime is 20072022319. The next prime is 20072022379. The reversal of 20072022345 is 54322027002.

It is not a de Polignac number, because 20072022345 - 29 = 20072021833 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8258877 + ... + 8261306.

It is an arithmetic number, because the mean of its divisors is an integer number (1503336744).

Almost surely, 220072022345 is an apocalyptic number.

It is an amenable number.

20072022345 is a deficient number, since it is larger than the sum of its proper divisors (16008059511).

20072022345 is an equidigital number, since it uses as much as digits as its factorization.

20072022345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16520203 (or 16520191 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

Adding to 20072022345 its reverse (54322027002), we get a palindrome (74394049347).

The spelling of 20072022345 in words is "twenty billion, seventy-two million, twenty-two thousand, three hundred forty-five".

Divisors: 1 3 5 9 15 27 45 81 135 243 405 1215 16520183 49560549 82600915 148681647 247802745 446044941 743408235 1338134823 2230224705 4014404469 6690674115 20072022345