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1122342020 = 22556117101
BaseRepresentation
bin100001011100101…
…1001010010000100
32220012212212210222
41002321121102010
54244304421040
6303211403512
736545515112
oct10271312204
92805785728
101122342020
11526595198
12273a53598
1314b6a4107
14a90b6ab2
15687eabb5
hex42e59484

1122342020 has 12 divisors (see below), whose sum is σ = 2356918284. Its totient is φ = 448936800.

The previous prime is 1122342007. The next prime is 1122342029. The reversal of 1122342020 is 202432211.

It can be written as a sum of positive squares in 2 ways, for example, as 455566336 + 666775684 = 21344^2 + 25822^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1122342020.

It is not an unprimeable number, because it can be changed into a prime (1122342029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28058531 + ... + 28058570.

It is an arithmetic number, because the mean of its divisors is an integer number (196409857).

Almost surely, 21122342020 is an apocalyptic number.

1122342020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122342020 is an abundant number, since it is smaller than the sum of its proper divisors (1234576264).

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

1122342020 is a wasteful number, since it uses less digits than its factorization.

1122342020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56117110 (or 56117108 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1122342020 is about 33501.3734046830. The cubic root of 1122342020 is about 1039.2221809859. Note that the first 3 decimals are identical.

Adding to 1122342020 its reverse (202432211), we get a palindrome (1324774231).

The spelling of 1122342020 in words is "one billion, one hundred twenty-two million, three hundred forty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 56117101 112234202 224468404 280585505 561171010 1122342020