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20222100015 = 3513176100181
BaseRepresentation
bin10010110101010101…
…001100001000101111
31221012022110010012020
4102311111030020233
5312403324200030
613142341441223
71314060004545
oct226525141057
957168403166
1020222100015
118637937057
123b04410213
131ba36cc170
14d9b9bbd95
157d54dd510
hex4b554c22f

20222100015 has 32 divisors (see below), whose sum is σ = 36893900736. Its totient is φ = 9369876480.

The previous prime is 20222100001. The next prime is 20222100029. The reversal of 20222100015 is 51000122202.

It is an interprime number because it is at equal distance from previous prime (20222100001) and next prime (20222100029).

It is not a de Polignac number, because 20222100015 - 29 = 20222099503 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 20222099967 and 20222100003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3046776 + ... + 3053405.

It is an arithmetic number, because the mean of its divisors is an integer number (1152934398).

Almost surely, 220222100015 is an apocalyptic number.

20222100015 is a deficient number, since it is larger than the sum of its proper divisors (16671800721).

20222100015 is a wasteful number, since it uses less digits than its factorization.

20222100015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6100219.

The product of its (nonzero) digits is 80, while the sum is 15.

Adding to 20222100015 its reverse (51000122202), we get a palindrome (71222222217).

The spelling of 20222100015 in words is "twenty billion, two hundred twenty-two million, one hundred thousand, fifteen".

Divisors: 1 3 5 13 15 17 39 51 65 85 195 221 255 663 1105 3315 6100181 18300543 30500905 79302353 91502715 103703077 237907059 311109231 396511765 518515385 1189535295 1348140001 1555546155 4044420003 6740700005 20222100015