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20224624620 = 2235433778469
BaseRepresentation
bin10010110101011110…
…110100011111101100
31221012111012101022010
4102311132310133230
5312410000441440
613142511521220
71314120321114
oct226536643754
957174171263
1020224624620
118639300902
123b05229210
131ba40a4305
14d9c078044
157d583b580
hex4b57b47ec

20224624620 has 48 divisors (see below), whose sum is σ = 56759804640. Its totient is φ = 5380770816.

The previous prime is 20224624591. The next prime is 20224624639. The reversal of 20224624620 is 2642642202.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 363255 + ... + 415214.

It is an arithmetic number, because the mean of its divisors is an integer number (1182495930).

Almost surely, 220224624620 is an apocalyptic number.

20224624620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20224624620 is an abundant number, since it is smaller than the sum of its proper divisors (36535180020).

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

20224624620 is a wasteful number, since it uses less digits than its factorization.

20224624620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778914 (or 778912 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

The spelling of 20224624620 in words is "twenty billion, two hundred twenty-four million, six hundred twenty-four thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 433 866 1299 1732 2165 2598 4330 5196 6495 8660 12990 25980 778469 1556938 2335407 3113876 3892345 4670814 7784690 9341628 11677035 15569380 23354070 46708140 337077077 674154154 1011231231 1348308308 1685385385 2022462462 3370770770 4044924924 5056156155 6741541540 10112312310 20224624620