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20440201103 = 714232052023
BaseRepresentation
bin10011000010010101…
…001011011110001111
31221202111211210122022
4103002111023132033
5313330142413403
613220132240355
71322345562020
oct230225133617
957674753568
1020440201103
118739a62693
123b654700bb
131c0995346a
14dbc952c47
157e9720d38
hex4c254b78f

20440201103 has 8 divisors (see below), whose sum is σ = 23376657408. Its totient is φ = 17507851704.

The previous prime is 20440201087. The next prime is 20440201123. The reversal of 20440201103 is 30110204402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20440201103 - 24 = 20440201087 is a prime.

It is a super-2 number, since 2×204402011032 (a number of 21 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 (20440201123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1016051 + ... + 1035972.

It is an arithmetic number, because the mean of its divisors is an integer number (2922082176).

Almost surely, 220440201103 is an apocalyptic number.

20440201103 is a deficient number, since it is larger than the sum of its proper divisors (2936456305).

20440201103 is a wasteful number, since it uses less digits than its factorization.

20440201103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2053453.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20440201103 its reverse (30110204402), we get a palindrome (50550405505).

The spelling of 20440201103 in words is "twenty billion, four hundred forty million, two hundred one thousand, one hundred three".

Divisors: 1 7 1423 9961 2052023 14364161 2920028729 20440201103