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22202024420 = 2255119216859
BaseRepresentation
bin10100101011010110…
…000000000111100100
32010022022000200212202
4110223112000013210
5330432204240140
614111030234032
71414121044112
oct245326000744
963268020782
1022202024420
119463511614
1243774b5918
13212a967874
14110892cab2
1589e237915
hex52b5801e4

22202024420 has 24 divisors (see below), whose sum is σ = 46633574400. Its totient is φ = 8879033952.

The previous prime is 22202024387. The next prime is 22202024443. The reversal of 22202024420 is 2442020222.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 22202024392 and 22202024401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6050 + ... + 210809.

It is an arithmetic number, because the mean of its divisors is an integer number (1943065600).

Almost surely, 222202024420 is an apocalyptic number.

22202024420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22202024420 is an abundant number, since it is smaller than the sum of its proper divisors (24431549980).

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

22202024420 is a wasteful number, since it uses less digits than its factorization.

22202024420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221987 (or 221985 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 22202024420 its reverse (2442020222), we get a palindrome (24644044642).

The spelling of 22202024420 in words is "twenty-two billion, two hundred two million, twenty-four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 5119 10238 20476 25595 51190 102380 216859 433718 867436 1084295 2168590 4337180 1110101221 2220202442 4440404884 5550506105 11101012210 22202024420