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22010020220 = 2251139738947
BaseRepresentation
bin10100011111111001…
…100100000101111100
32002210220201212122002
4110133321210011330
5330034031121340
614040011041432
71406300041106
oct243771440574
962726655562
1022010020220
11937509aa61
124323140278
1320c9c4cb06
1410cb22c576
1588c45c715
hex51fe6417c

22010020220 has 24 divisors (see below), whose sum is σ = 46630083024. Its totient is φ = 8726095616.

The previous prime is 22010020211. The next prime is 22010020247. The reversal of 22010020220 is 2202001022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4867214 + ... + 4871733.

It is an arithmetic number, because the mean of its divisors is an integer number (1942920126).

Almost surely, 222010020220 is an apocalyptic number.

22010020220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22010020220 is an abundant number, since it is smaller than the sum of its proper divisors (24620062804).

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

22010020220 is a wasteful number, since it uses less digits than its factorization.

22010020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9739069 (or 9739067 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 22010020220 its reverse (2202001022), we get a palindrome (24212021242).

The spelling of 22010020220 in words is "twenty-two billion, ten million, twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 113 226 452 565 1130 2260 9738947 19477894 38955788 48694735 97389470 194778940 1100501011 2201002022 4402004044 5502505055 11005010110 22010020220