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20000122100203 = 72787351843739
BaseRepresentation
bin1001000110000101001000…
…01011000101100111101011
32121210222210220012211122111
410203002210023011213223
510110140222224201303
6110311532415103151
74132650445611100
oct443024413054753
977728726184574
1020000122100203
1164110055837a3
1222b01a8511ab7
13b2100769488b
144d2022562aa7
1524a3b0953b6d
hex1230a42c59eb

20000122100203 has 12 divisors (see below), whose sum is σ = 23268403699320. Its totient is φ = 17140784032512.

The previous prime is 20000122100197. The next prime is 20000122100207. The reversal of 20000122100203 is 30200122100002.

It is not a de Polignac number, because 20000122100203 - 29 = 20000122099691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20000122100207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25536093 + ... + 26307646.

It is an arithmetic number, because the mean of its divisors is an integer number (1939033641610).

Almost surely, 220000122100203 is an apocalyptic number.

20000122100203 is a deficient number, since it is larger than the sum of its proper divisors (3268281599117).

20000122100203 is an equidigital number, since it uses as much as digits as its factorization.

20000122100203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51851626 (or 51851619 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20000122100203 its reverse (30200122100002), we get a palindrome (50200244200205).

The spelling of 20000122100203 in words is "twenty trillion, one hundred twenty-two million, one hundred thousand, two hundred three".

Divisors: 1 7 49 7873 55111 385777 51843739 362906173 2540343211 408165757147 2857160300029 20000122100203