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20222031401 = 1113367385321
BaseRepresentation
bin10010110101010100…
…111011011000101001
31221012022022122001222
4102311110323120221
5312403320001101
613142340151425
71314056300525
oct226524733051
957168278058
1020222031401
11863789a550
123b04398575
131ba36a6b70
14d9b9a0d85
157d54c801b
hex4b553b629

20222031401 has 16 divisors (see below), whose sum is σ = 23822147328. Its totient is φ = 16923254400.

The previous prime is 20222031397. The next prime is 20222031407. The reversal of 20222031401 is 10413022202.

It is not a de Polignac number, because 20222031401 - 22 = 20222031397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20222031401.

It is not an unprimeable number, because it can be changed into a prime (20222031407) 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, 140180 + ... + 245141.

It is an arithmetic number, because the mean of its divisors is an integer number (1488884208).

Almost surely, 220222031401 is an apocalyptic number.

It is an amenable number.

20222031401 is a deficient number, since it is larger than the sum of its proper divisors (3600115927).

20222031401 is a wasteful number, since it uses less digits than its factorization.

20222031401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385712.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20222031401 its reverse (10413022202), we get a palindrome (30635053603).

The spelling of 20222031401 in words is "twenty billion, two hundred twenty-two million, thirty-one thousand, four hundred one".

Divisors: 1 11 13 143 367 4037 4771 52481 385321 4238531 5009173 55100903 141412807 1555540877 1838366491 20222031401