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20222100030 = 23511367166973
BaseRepresentation
bin10010110101010101…
…001100001000111110
31221012022110010012210
4102311111030020332
5312403324200110
613142341441250
71314060004566
oct226525141076
957168403183
1020222100030
118637937070
123b04410226
131ba36cc182
14d9b9bbda6
157d54dd520
hex4b554c23e

20222100030 has 64 divisors (see below), whose sum is σ = 53089717248. Its totient is φ = 4888940160.

The previous prime is 20222100029. The next prime is 20222100053. The reversal of 20222100030 is 3000122202.

It is a junction number, because it is equal to n+sod(n) for n = 20222099979 and 20222100015.

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, 37624 + ... + 204596.

It is an arithmetic number, because the mean of its divisors is an integer number (829526832).

Almost surely, 220222100030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20222100030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26544858624).

20222100030 is an abundant number, since it is smaller than the sum of its proper divisors (32867617218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20222100030 is a wasteful number, since it uses less digits than its factorization.

20222100030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167361.

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 20222100030 its reverse (3000122202), we get a palindrome (23222222232).

The spelling of 20222100030 in words is "twenty billion, two hundred twenty-two million, one hundred thousand, thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 367 734 1101 1835 2202 3670 4037 5505 8074 11010 12111 20185 24222 40370 60555 121110 166973 333946 500919 834865 1001838 1669730 1836703 2504595 3673406 5009190 5510109 9183515 11020218 18367030 27550545 55101090 61279091 122558182 183837273 306395455 367674546 612790910 674070001 919186365 1348140002 1838372730 2022210003 3370350005 4044420006 6740700010 10111050015 20222100030