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20443442014 = 2112912917013
BaseRepresentation
bin10011000010100001…
…100010101101011110
31221202201221110100001
4103002201202231132
5313332010121024
613220325524514
71322415250522
oct230241425536
957681843301
1020443442014
118740876626
123b6657373a
131c0a519668
14dbd157d82
157e9b61244
hex4c2862b5e

20443442014 has 16 divisors (see below), whose sum is σ = 30720478320. Its totient is φ = 10203301440.

The previous prime is 20443442009. The next prime is 20443442029. The reversal of 20443442014 is 41024434402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2911572 + ... + 2918584.

It is an arithmetic number, because the mean of its divisors is an integer number (1920029895).

Almost surely, 220443442014 is an apocalyptic number.

20443442014 is a deficient number, since it is larger than the sum of its proper divisors (10277036306).

20443442014 is a wasteful number, since it uses less digits than its factorization.

20443442014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9435.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 20443442014 its reverse (41024434402), we get a palindrome (61467876416).

The spelling of 20443442014 in words is "twenty billion, four hundred forty-three million, four hundred forty-two thousand, fourteen".

Divisors: 1 2 1129 1291 2258 2582 7013 14026 1457539 2915078 7917677 9053783 15835354 18107566 10221721007 20443442014