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20222231460 = 2235587957329
BaseRepresentation
bin10010110101010101…
…101100001110100100
31221012022200210111120
4102311111230032210
5312403342401320
613142344333540
71314061063014
oct226525541644
957168623446
1020222231460
118637a16892
123b044742b0
131ba3746c42
14d9ba13c44
157d5517440
hex4b556c3a4

20222231460 has 48 divisors (see below), whose sum is σ = 56632867200. Its totient is φ = 5391583744.

The previous prime is 20222231453. The next prime is 20222231509. The reversal of 20222231460 is 6413222202.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20222231460.

It is an unprimeable number.

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, 324076 + ... + 381404.

It is an arithmetic number, because the mean of its divisors is an integer number (1179851400).

Almost surely, 220222231460 is an apocalyptic number.

20222231460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20222231460 is an abundant number, since it is smaller than the sum of its proper divisors (36410635740).

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

20222231460 is a wasteful number, since it uses less digits than its factorization.

20222231460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63220 (or 63218 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 20222231460 its reverse (6413222202), we get a palindrome (26635453662).

The spelling of 20222231460 in words is "twenty billion, two hundred twenty-two million, two hundred thirty-one thousand, four hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 5879 11758 17637 23516 29395 35274 57329 58790 70548 88185 114658 117580 171987 176370 229316 286645 343974 352740 573290 687948 859935 1146580 1719870 3439740 337037191 674074382 1011111573 1348148764 1685185955 2022223146 3370371910 4044446292 5055557865 6740743820 10111115730 20222231460