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20022301222031 = 72972743908623
BaseRepresentation
bin1001000110101110011100…
…01001101110010010001111
32121220010001121010222002002
410203113032021232102033
510111021133103101111
6110330041310422515
74134364201206623
oct443271611562217
977803047128062
1020022301222031
11641a457072249
1222b4558201a3b
13b23130670ac4
144d312800d183
1524ac5cb6563b
hex1235ce26e48f

20022301222031 has 4 divisors (see below), whose sum is σ = 20025045137952. Its totient is φ = 20019557306112.

The previous prime is 20022301222009. The next prime is 20022301222037. The reversal of 20022301222031 is 13022210322002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20022301222031 - 210 = 20022301221007 is a prime.

It is a super-2 number, since 2×200223012220312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20022301221994 and 20022301222012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022301222037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1371947015 + ... + 1371961608.

It is an arithmetic number, because the mean of its divisors is an integer number (5006261284488).

Almost surely, 220022301222031 is an apocalyptic number.

20022301222031 is a deficient number, since it is larger than the sum of its proper divisors (2743915921).

20022301222031 is an equidigital number, since it uses as much as digits as its factorization.

20022301222031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2743915920.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20022301222031 its reverse (13022210322002), we get a palindrome (33044511544033).

The spelling of 20022301222031 in words is "twenty trillion, twenty-two billion, three hundred one million, two hundred twenty-two thousand, thirty-one".

Divisors: 1 7297 2743908623 20022301222031