Search a number
-
+
22024202420 = 22511421237791
BaseRepresentation
bin10100100000101111…
…101010100010110100
32002211220102101221202
4110200233222202310
5330101143434140
614041235032032
71406531426453
oct244057524264
962756371852
1022024202420
1193820a7290
124327a3b618
1320ccb7714c
1410cd080b9a
1588d80e915
hex520bea8b4

22024202420 has 48 divisors (see below), whose sum is σ = 50575504896. Its totient is φ = 7989744000.

The previous prime is 22024202407. The next prime is 22024202489. The reversal of 22024202420 is 2420242022.

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

22024202420 is a modest number, since divided by 24202420 gives 220 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 22024202392 and 22024202401.

It is a congruent number.

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, 26276 + ... + 211515.

It is an arithmetic number, because the mean of its divisors is an integer number (1053656352).

Almost surely, 222024202420 is an apocalyptic number.

22024202420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22024202420 is an abundant number, since it is smaller than the sum of its proper divisors (28551302476).

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

22024202420 is a wasteful number, since it uses less digits than its factorization.

22024202420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238232 (or 238230 counting only the distinct ones).

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

Adding to 22024202420 its reverse (2420242022), we get a palindrome (24444444442).

The spelling of 22024202420 in words is "twenty-two billion, twenty-four million, two hundred two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 421 842 1684 2105 4210 4631 8420 9262 18524 23155 46310 92620 237791 475582 951164 1188955 2377910 2615701 4755820 5231402 10462804 13078505 26157010 52314020 100110011 200220022 400440044 500550055 1001100110 1101210121 2002200220 2202420242 4404840484 5506050605 11012101210 22024202420