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2020120112211 = 31961631920753
BaseRepresentation
bin11101011001011000100…
…010101010110001010011
321011010021122101110012020
4131121120202222301103
5231044201222042321
64144010320502523
7265643313431235
oct35313042526123
97133248343166
102020120112211
117098011589a3
1228761a17aa43
1311865baa5006
146dabaac0255
15378345724c6
hex1d6588aac53

2020120112211 has 32 divisors (see below), whose sum is σ = 2886305978880. Its totient is φ = 1252959321600.

The previous prime is 2020120112203. The next prime is 2020120112299. The reversal of 2020120112211 is 1122110210202.

It is not a de Polignac number, because 2020120112211 - 23 = 2020120112203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2020120112111) 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, 1733611 + ... + 2654363.

It is an arithmetic number, because the mean of its divisors is an integer number (90197061840).

Almost surely, 22020120112211 is an apocalyptic number.

2020120112211 is a deficient number, since it is larger than the sum of its proper divisors (866185866669).

2020120112211 is a wasteful number, since it uses less digits than its factorization.

2020120112211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921467.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2020120112211 its reverse (1122110210202), we get a palindrome (3142230322413).

The spelling of 2020120112211 in words is "two trillion, twenty billion, one hundred twenty million, one hundred twelve thousand, two hundred eleven".

Divisors: 1 3 19 57 61 183 631 1159 1893 3477 11989 35967 38491 115473 731329 920753 2193987 2762259 17494307 52482921 56165933 168497799 580995143 1067152727 1742985429 3201458181 11038907717 33116723151 35440703723 106322111169 673373370737 2020120112211