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20213013201 = 36737671067
BaseRepresentation
bin10010110100110010…
…100001101011010001
31221011200100110102120
4102310302201223101
5312344012410301
613141415004453
71313616530433
oct226462415321
957150313376
1020213013201
11863279aa97
123b01369729
131ba186a154
14d9a6d4653
157d47e5e36
hex4b4ca1ad1

20213013201 has 4 divisors (see below), whose sum is σ = 26950684272. Its totient is φ = 13475342132.

The previous prime is 20213013193. The next prime is 20213013211. The reversal of 20213013201 is 10231031202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20213013201 - 23 = 20213013193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20213013211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3368835531 + ... + 3368835536.

It is an arithmetic number, because the mean of its divisors is an integer number (6737671068).

Almost surely, 220213013201 is an apocalyptic number.

It is an amenable number.

20213013201 is a deficient number, since it is larger than the sum of its proper divisors (6737671071).

20213013201 is an equidigital number, since it uses as much as digits as its factorization.

20213013201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6737671070.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20213013201 its reverse (10231031202), we get a palindrome (30444044403).

The spelling of 20213013201 in words is "twenty billion, two hundred thirteen million, thirteen thousand, two hundred one".

Divisors: 1 3 6737671067 20213013201