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22200202420 = 22511175935883
BaseRepresentation
bin10100101011001111…
…000011010010110100
32010022011121010120021
4110223033003102310
5330431222434140
614110523214524
71414066415134
oct245317032264
963264533507
1022200202420
119462487730
124376977444
13212a47a466
1411085b6ac4
1589dec7b4a
hex52b3c34b4

22200202420 has 48 divisors (see below), whose sum is σ = 53850339648. Its totient is φ = 7597928960.

The previous prime is 22200202333. The next prime is 22200202429. The reversal of 22200202420 is 2420200222.

It is a junction number, because it is equal to n+sod(n) for n = 22200202394 and 22200202403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22200202429) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2964202 + ... + 2971681.

It is an arithmetic number, because the mean of its divisors is an integer number (1121882076).

Almost surely, 222200202420 is an apocalyptic number.

22200202420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22200202420 is an abundant number, since it is smaller than the sum of its proper divisors (31650137228).

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

22200202420 is a wasteful number, since it uses less digits than its factorization.

22200202420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5935920 (or 5935918 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 22200202420 its reverse (2420200222), we get a palindrome (24620402642).

The spelling of 22200202420 in words is "twenty-two billion, two hundred million, two hundred two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 11 17 20 22 34 44 55 68 85 110 170 187 220 340 374 748 935 1870 3740 5935883 11871766 23743532 29679415 59358830 65294713 100910011 118717660 130589426 201820022 261178852 326473565 403640044 504550055 652947130 1009100110 1110010121 1305894260 2018200220 2220020242 4440040484 5550050605 11100101210 22200202420