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20022213513 = 319134942781
BaseRepresentation
bin10010101001011010…
…101011101110001001
31220200101022211110110
4102221122223232021
5312001141313023
613110441304533
71306112002221
oct225132535611
956611284413
1020022213513
1185450213a5
123a69495149
131b71184723
14d7d229081
157c2ba7a93
hex4a96abb89

20022213513 has 8 divisors (see below), whose sum is σ = 26836056576. Its totient is φ = 13278256400.

The previous prime is 20022213461. The next prime is 20022213571. The reversal of 20022213513 is 31531222002.

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

It is a cyclic number.

It is not a de Polignac number, because 20022213513 - 226 = 19955104649 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20022213513.

It is not an unprimeable number, because it can be changed into a prime (20022213413) 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, 17470818 + ... + 17471963.

It is an arithmetic number, because the mean of its divisors is an integer number (3354507072).

Almost surely, 220022213513 is an apocalyptic number.

It is an amenable number.

20022213513 is a deficient number, since it is larger than the sum of its proper divisors (6813843063).

20022213513 is a wasteful number, since it uses less digits than its factorization.

20022213513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34942975.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 20022213513 its reverse (31531222002), we get a palindrome (51553435515).

The spelling of 20022213513 in words is "twenty billion, twenty-two million, two hundred thirteen thousand, five hundred thirteen".

Divisors: 1 3 191 573 34942781 104828343 6674071171 20022213513