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20202302132331 = 311776899787993
BaseRepresentation
bin1001001011111101101110…
…00010101101000001101011
32122112022200011121122000120
410211332313002231001223
510121443303321213311
6110544450502534323
74153365610540644
oct445766702550153
978468604548016
1020202302132331
116489825976340
1223234121373a3
13b370b8543797
144dbb21da46cb
1525079549d706
hex125fb70ad06b

20202302132331 has 16 divisors (see below), whose sum is σ = 29385241852800. Its totient is φ = 12243788176320.

The previous prime is 20202302132321. The next prime is 20202302132333. The reversal of 20202302132331 is 13323120320202.

It is a de Polignac number, because none of the positive numbers 2k-20202302132331 is a prime.

It is a super-2 number, since 2×202023021323312 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20202302132333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25243671 + ... + 26031663.

It is an arithmetic number, because the mean of its divisors is an integer number (1836577615800).

Almost surely, 220202302132331 is an apocalyptic number.

20202302132331 is a deficient number, since it is larger than the sum of its proper divisors (9182939720469).

20202302132331 is a wasteful number, since it uses less digits than its factorization.

20202302132331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564906.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 20202302132331 its reverse (13323120320202), we get a palindrome (33525422452533).

The spelling of 20202302132331 in words is "twenty trillion, two hundred two billion, three hundred two million, one hundred thirty-two thousand, three hundred thirty-one".

Divisors: 1 3 11 33 776899 787993 2330697 2363979 8545889 8667923 25637667 26003769 612190973707 1836572921121 6734100710777 20202302132331