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2020322221112 = 231331626650813
BaseRepresentation
bin11101011001100100100…
…101101001110000111000
321011010210201200122111002
4131121210211221300320
5231100104442033422
64144042340424132
7265651316351066
oct35314445516070
97133721618432
102020322221112
117098a5251348
122876759a8048
1311869191a190
146dad9891036
1537847196692
hex1d664969c38

2020322221112 has 32 divisors (see below), whose sum is σ = 4211093470080. Its totient is φ = 902377169280.

The previous prime is 2020322221111. The next prime is 2020322221171. The reversal of 2020322221112 is 2111222230202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020322221111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313322183 + ... + 313328630.

It is an arithmetic number, because the mean of its divisors is an integer number (131596670940).

Almost surely, 22020322221112 is an apocalyptic number.

It is an amenable number.

2020322221112 is an abundant number, since it is smaller than the sum of its proper divisors (2190771248968).

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

2020322221112 is a wasteful number, since it uses less digits than its factorization.

2020322221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626650863 (or 626650859 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2020322221112 its reverse (2111222230202), we get a palindrome (4131544451314).

The spelling of 2020322221112 in words is "two trillion, twenty billion, three hundred twenty-two million, two hundred twenty-one thousand, one hundred twelve".

Divisors: 1 2 4 8 13 26 31 52 62 104 124 248 403 806 1612 3224 626650813 1253301626 2506603252 5013206504 8146460569 16292921138 19426175203 32585842276 38852350406 65171684552 77704700812 155409401624 252540277639 505080555278 1010161110556 2020322221112