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20221222002 = 234780118951
BaseRepresentation
bin10010110101010001…
…110101110001110010
31221012020210111210020
4102311101311301302
5312403113101002
613142310544310
71314046360002
oct226521656162
957166714706
1020221222002
118637397423
123b04068096
131ba3482627
14d9b830002
157d53b82bc
hex4b5475c72

20221222002 has 32 divisors (see below), whose sum is σ = 41312692224. Its totient is φ = 6595434000.

The previous prime is 20221221997. The next prime is 20221222037. The reversal of 20221222002 is 20022212202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2254627 + ... + 2263577.

It is an arithmetic number, because the mean of its divisors is an integer number (1291021632).

Almost surely, 220221222002 is an apocalyptic number.

20221222002 is an abundant number, since it is smaller than the sum of its proper divisors (21091470222).

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

20221222002 is a wasteful number, since it uses less digits than its factorization.

20221222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17014.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 20221222002 its reverse (20022212202), we get a palindrome (40243434204).

The spelling of 20221222002 in words is "twenty billion, two hundred twenty-one million, two hundred twenty-two thousand, two".

Divisors: 1 2 3 6 47 94 141 282 8011 8951 16022 17902 24033 26853 48066 53706 376517 420697 753034 841394 1129551 1262091 2259102 2524182 71706461 143412922 215119383 430238766 3370203667 6740407334 10110611001 20221222002