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20000302212331 = 72857186030333
BaseRepresentation
bin1001000110000101011101…
…11010001010010011101011
32121211000021110010111001001
410203002232322022103223
510110141104331243311
6110312002331335431
74132655063544250
oct443025672122353
977730243114031
1020000302212331
1164110982126a1
1222b02388b1577
13b21035aa77bc
144d203c449427
1524a3c16804c1
hex1230aee8a4eb

20000302212331 has 4 divisors (see below), whose sum is σ = 22857488242672. Its totient is φ = 17143116181992.

The previous prime is 20000302212313. The next prime is 20000302212337. The reversal of 20000302212331 is 13321220300002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20000302212331 - 27 = 20000302212203 is a prime.

It is a super-2 number, since 2×200003022123312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20000302212299 and 20000302212308.

It is not an unprimeable number, because it can be changed into a prime (20000302212337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1428593015160 + ... + 1428593015173.

It is an arithmetic number, because the mean of its divisors is an integer number (5714372060668).

Almost surely, 220000302212331 is an apocalyptic number.

20000302212331 is a deficient number, since it is larger than the sum of its proper divisors (2857186030341).

20000302212331 is an equidigital number, since it uses as much as digits as its factorization.

20000302212331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2857186030340.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20000302212331 its reverse (13321220300002), we get a palindrome (33321522512333).

The spelling of 20000302212331 in words is "twenty trillion, three hundred two million, two hundred twelve thousand, three hundred thirty-one".

Divisors: 1 7 2857186030333 20000302212331