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20035022061 = 373325328123
BaseRepresentation
bin10010101010001011…
…100010110011101101
31220201021102120111010
4102222023202303231
5312012431201221
613112020015433
71306325610015
oct225213426355
956637376433
1020035022061
11855127a67a
123a71831579
131b73a1a752
14d80c00c45
157c3d87c76
hex4aa2e2ced

20035022061 has 16 divisors (see below), whose sum is σ = 27088586816. Its totient is φ = 13169195136.

The previous prime is 20035022009. The next prime is 20035022101. The reversal of 20035022061 is 16022053002.

It is not a de Polignac number, because 20035022061 - 27 = 20035021933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20035022561) 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, 698346 + ... + 726468.

It is an arithmetic number, because the mean of its divisors is an integer number (1693036676).

Almost surely, 220035022061 is an apocalyptic number.

It is an amenable number.

20035022061 is a deficient number, since it is larger than the sum of its proper divisors (7053564755).

20035022061 is a wasteful number, since it uses less digits than its factorization.

20035022061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31452.

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

Adding to 20035022061 its reverse (16022053002), we get a palindrome (36057075063).

The spelling of 20035022061 in words is "twenty billion, thirty-five million, twenty-two thousand, sixty-one".

Divisors: 1 3 73 219 3253 9759 28123 84369 237469 712407 2052979 6158937 91484119 274452357 6678340687 20035022061