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2000222020021 = 19105274843159
BaseRepresentation
bin11101000110110110100…
…001011110000110110101
321002012220220121122011211
4131012312201132012311
5230232423314120041
64130520031401421
7264340236433531
oct35066641360665
97065826548154
102000222020021
11701320203805
122837a6383271
1311680a55b374
146cb50164bc1
153706c736481
hex1d1b685e1b5

2000222020021 has 4 divisors (see below), whose sum is σ = 2105496863200. Its totient is φ = 1894947176844.

The previous prime is 2000222019931. The next prime is 2000222020037. The reversal of 2000222020021 is 1200202220002.

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 2000222020021 - 211 = 2000222017973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2000222019983 and 2000222020010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000222020051) 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, 52637421561 + ... + 52637421598.

It is an arithmetic number, because the mean of its divisors is an integer number (526374215800).

Almost surely, 22000222020021 is an apocalyptic number.

It is an amenable number.

2000222020021 is a deficient number, since it is larger than the sum of its proper divisors (105274843179).

2000222020021 is a wasteful number, since it uses less digits than its factorization.

2000222020021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105274843178.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 2000222020021 its reverse (1200202220002), we get a palindrome (3200424240023).

The spelling of 2000222020021 in words is "two trillion, two hundred twenty-two million, twenty thousand, twenty-one".

Divisors: 1 19 105274843159 2000222020021