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1202220131020 = 225411466122111
BaseRepresentation
bin10001011111101001111…
…001110110001011001100
311020221010210021110012021
4101133221321312023030
5124144121323143040
62320143045415524
7152600064335146
oct21375171661314
94227123243167
101202220131020
11423949a16417
12174bb910a5a4
13894a45472bc
144228b325c96
1521414a8224a
hex117e9e762cc

1202220131020 has 24 divisors (see below), whose sum is σ = 2586239405568. Its totient is φ = 469159075200.

The previous prime is 1202220131011. The next prime is 1202220131027. The reversal of 1202220131020 is 201310222021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1202220130985 and 1202220131003.

It is not an unprimeable number, because it can be changed into a prime (1202220131027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 733060236 + ... + 733061875.

It is an arithmetic number, because the mean of its divisors is an integer number (107759975232).

Almost surely, 21202220131020 is an apocalyptic number.

1202220131020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202220131020 is an abundant number, since it is smaller than the sum of its proper divisors (1384019274548).

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

1202220131020 is a wasteful number, since it uses less digits than its factorization.

1202220131020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1466122161 (or 1466122159 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1202220131020 its reverse (201310222021), we get a palindrome (1403530353041).

The spelling of 1202220131020 in words is "one trillion, two hundred two billion, two hundred twenty million, one hundred thirty-one thousand, twenty".

Divisors: 1 2 4 5 10 20 41 82 164 205 410 820 1466122111 2932244222 5864488444 7330610555 14661221110 29322442220 60111006551 120222013102 240444026204 300555032755 601110065510 1202220131020