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20214433334431 = 719715979178937
BaseRepresentation
bin1001001100010100010100…
…00111100100010010011111
32122120110222121121112211001
410212022022013210102133
510122143124413200211
6110554214340411131
74154305334213050
oct446121207442237
978513877545731
1020214433334431
11649399069aaa6
1223258389a6aa7
13b3829c924c8b
144dc5531b6727
15250c554d8ac1
hex12628a1e449f

20214433334431 has 16 divisors (see below), whose sum is σ = 23234021591616. Its totient is φ = 17227908262656.

The previous prime is 20214433334419. The next prime is 20214433334453. The reversal of 20214433334431 is 13443333441202.

It is not a de Polignac number, because 20214433334431 - 217 = 20214433203359 is a prime.

It is a super-2 number, since 2×202144333344312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20214433334731) 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, 2387206 + ... + 6791731.

It is an arithmetic number, because the mean of its divisors is an integer number (1452126349476).

Almost surely, 220214433334431 is an apocalyptic number.

20214433334431 is a deficient number, since it is larger than the sum of its proper divisors (3019588257185).

20214433334431 is a wasteful number, since it uses less digits than its factorization.

20214433334431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9180738.

The product of its (nonzero) digits is 248832, while the sum is 37.

Adding to 20214433334431 its reverse (13443333441202), we get a palindrome (33657766775633).

The spelling of 20214433334431 in words is "twenty trillion, two hundred fourteen billion, four hundred thirty-three million, three hundred thirty-four thousand, four hundred thirty-one".

Divisors: 1 7 197 1379 1597 11179 314609 2202263 9178937 64252559 1808250589 12657754123 14658762389 102611336723 2887776190633 20214433334431