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20202232211031 = 3135147100642307
BaseRepresentation
bin1001001011111101100101…
…10111111110011001010111
32122112022111022001021000210
410211332302313332121113
510121443132421223111
6110544435524140503
74153364101322523
oct445766267763127
978468438037023
1020202232211031
11648979a459442
1223233b2837733
13b370a6c01a30
144dbb169a2d83
1525078e28b0a6
hex125fb2dfe657

20202232211031 has 16 divisors (see below), whose sum is σ = 29013969688704. Its totient is φ = 12429727360224.

The previous prime is 20202232210997. The next prime is 20202232211047. The reversal of 20202232211031 is 13011223220202.

It is not a de Polignac number, because 20202232211031 - 27 = 20202232210903 is a prime.

It is a super-2 number, since 2×202022322110312 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20202232210989 and 20202232211007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202232211081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50120421 + ... + 50521886.

It is an arithmetic number, because the mean of its divisors is an integer number (1813373105544).

Almost surely, 220202232211031 is an apocalyptic number.

20202232211031 is a deficient number, since it is larger than the sum of its proper divisors (8811737477673).

20202232211031 is a wasteful number, since it uses less digits than its factorization.

20202232211031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100647470.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20202232211031 its reverse (13011223220202), we get a palindrome (33213455431233).

The spelling of 20202232211031 in words is "twenty trillion, two hundred two billion, two hundred thirty-two million, two hundred eleven thousand, thirty-one".

Divisors: 1 3 13 39 5147 15441 66911 200733 100642307 301926921 1308349991 3925049973 518005954129 1554017862387 6734077403677 20202232211031