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20222201031 = 310767393607
BaseRepresentation
bin10010110101010101…
…100100110011000111
31221012022122020202120
4102311111210303013
5312403340413111
613142343541023
71314060605214
oct226525446307
957168566676
1020222201031
1186379a5a3a
123b0445a773
131ba3736136
14d9ba06b0b
157d550d406
hex4b5564cc7

20222201031 has 16 divisors (see below), whose sum is σ = 27255654144. Its totient is φ = 13335485184.

The previous prime is 20222201017. The next prime is 20222201071. The reversal of 20222201031 is 13010222202.

It is a happy number.

It is not a de Polignac number, because 20222201031 - 27 = 20222200903 is a prime.

It is a super-2 number, since 2×202222010312 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20222201031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20222201071) 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, 169230 + ... + 262836.

It is an arithmetic number, because the mean of its divisors is an integer number (1703478384).

Almost surely, 220222201031 is an apocalyptic number.

20222201031 is a deficient number, since it is larger than the sum of its proper divisors (7033453113).

20222201031 is a wasteful number, since it uses less digits than its factorization.

20222201031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94390.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20222201031 its reverse (13010222202), we get a palindrome (33232423233).

The spelling of 20222201031 in words is "twenty billion, two hundred twenty-two million, two hundred one thousand, thirty-one".

Divisors: 1 3 107 321 673 2019 72011 93607 216033 280821 10015949 30047847 62997511 188992533 6740733677 20222201031