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20220211120 = 245252752639
BaseRepresentation
bin10010110101001101…
…111110111110110000
31221012011220011010011
4102311031332332300
5312402333223440
613142233144304
71314034646554
oct226515767660
957164804104
1020220211120
11863686698a
123b0385b094
131ba31ba485
14d9b649864
157d52689ea
hex4b537efb0

20220211120 has 20 divisors (see below), whose sum is σ = 47011991040. Its totient is φ = 8088084416.

The previous prime is 20220211093. The next prime is 20220211129. The reversal of 20220211120 is 2111202202.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 20220211120.

It is not an unprimeable number, because it can be changed into a prime (20220211129) 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, 126376240 + ... + 126376399.

It is an arithmetic number, because the mean of its divisors is an integer number (2350599552).

Almost surely, 220220211120 is an apocalyptic number.

20220211120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20220211120 is an abundant number, since it is smaller than the sum of its proper divisors (26791779920).

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

20220211120 is a wasteful number, since it uses less digits than its factorization.

20220211120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252752652 (or 252752646 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20220211120 its reverse (2111202202), we get a palindrome (22331413322).

The spelling of 20220211120 in words is "twenty billion, two hundred twenty million, two hundred eleven thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 252752639 505505278 1011010556 1263763195 2022021112 2527526390 4044042224 5055052780 10110105560 20220211120