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2020121222201 = 23438218233023
BaseRepresentation
bin11101011001011000100…
…110111001110000111001
321011010021201110211210222
4131121120212321300321
5231044202013102301
64144010400345425
7265643326033325
oct35313046716071
97133251424728
102020121222201
11709801846945
1228761a615275
1311865c0a3304
146dabaccc985
15378346e131b
hex1d6589b9c39

2020121222201 has 32 divisors (see below), whose sum is σ = 2162941304832. Its totient is φ = 1882140765120.

The previous prime is 2020121222183. The next prime is 2020121222209. The reversal of 2020121222201 is 1022221210202.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2020121222201 - 222 = 2020117027897 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2020121222201.

It is not an unprimeable number, because it can be changed into a prime (2020121222209) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 668248976 + ... + 668251998.

It is an arithmetic number, because the mean of its divisors is an integer number (67591915776).

Almost surely, 22020121222201 is an apocalyptic number.

It is an amenable number.

2020121222201 is a deficient number, since it is larger than the sum of its proper divisors (142820082631).

2020121222201 is a wasteful number, since it uses less digits than its factorization.

2020121222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4733.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2020121222201 its reverse (1022221210202), we get a palindrome (3042342432403).

The spelling of 2020121222201 in words is "two trillion, twenty billion, one hundred twenty-one million, two hundred twenty-two thousand, two hundred one".

Divisors: 1 23 43 821 823 989 3023 18883 18929 35303 35389 69529 129989 675683 811969 813947 2481883 2487929 2989747 15540709 29054369 57083309 57222367 106720969 106980947 668250487 2042589709 2454582287 2460561781 46979563307 87831357487 2020121222201