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20222211024 = 2432197391159
BaseRepresentation
bin10010110101010101…
…100111001111010000
31221012022122202110200
4102311111213033100
5312403341223044
613142344055200
71314060646311
oct226525471720
957168582420
1020222211024
118637a024a4
123b04464500
131ba373a852
14d9ba0a608
157d5511369
hex4b55673d0

20222211024 has 60 divisors (see below), whose sum is σ = 59572749600. Its totient is φ = 6385960512.

The previous prime is 20222211017. The next prime is 20222211029. The reversal of 20222211024 is 42011222202.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20222210988 and 20222211006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20222211029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3692844 + ... + 3698315.

It is an arithmetic number, because the mean of its divisors is an integer number (992879160).

Almost surely, 220222211024 is an apocalyptic number.

20222211024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20222211024 is an abundant number, since it is smaller than the sum of its proper divisors (39350538576).

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

20222211024 is a wasteful number, since it uses less digits than its factorization.

20222211024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7391192 (or 7391183 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 20222211024 its reverse (42011222202), we get a palindrome (62233433226).

The spelling of 20222211024 in words is "twenty billion, two hundred twenty-two million, two hundred eleven thousand, twenty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 19 24 36 38 48 57 72 76 114 144 152 171 228 304 342 456 684 912 1368 2736 7391159 14782318 22173477 29564636 44346954 59129272 66520431 88693908 118258544 133040862 140432021 177387816 266081724 280864042 354775632 421296063 532163448 561728084 842592126 1064326896 1123456168 1263888189 1685184252 2246912336 2527776378 3370368504 5055552756 6740737008 10111105512 20222211024