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20222101113220 = 2251011105055661
BaseRepresentation
bin1001001100100010100110…
…01001110100100110000100
32122121012202222220001220001
410212101103021310212010
510122304330341110340
6111001523251451044
74154666342234206
oct446212311644604
978535688801801
1020222101113220
116497165986766
1223272188b6a84
13b38c223982a6
144dca7d6c0776
1525105375d29a
hex126453274984

20222101113220 has 12 divisors (see below), whose sum is σ = 42466412337804. Its totient is φ = 8088840445280.

The previous prime is 20222101113187. The next prime is 20222101113229. The reversal of 20222101113220 is 2231110122202.

It can be written as a sum of positive squares in 2 ways, for example, as 10571497915456 + 9650603197764 = 3251384^2 + 3106542^2 .

It is not an unprimeable number, because it can be changed into a prime (20222101113229) 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, 505552527811 + ... + 505552527850.

It is an arithmetic number, because the mean of its divisors is an integer number (3538867694817).

Almost surely, 220222101113220 is an apocalyptic number.

20222101113220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20222101113220 is an abundant number, since it is smaller than the sum of its proper divisors (22244311224584).

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

20222101113220 is a wasteful number, since it uses less digits than its factorization.

20222101113220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011105055670 (or 1011105055668 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 20222101113220 its reverse (2231110122202), we get a palindrome (22453211235422).

The spelling of 20222101113220 in words is "twenty trillion, two hundred twenty-two billion, one hundred one million, one hundred thirteen thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 1011105055661 2022210111322 4044420222644 5055525278305 10111050556610 20222101113220