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20442311110 = 2513157248547
BaseRepresentation
bin10011000010011101…
…001110100111000110
31221202122211000000201
4103002131032213012
5313331212423420
613220245401114
71322402530444
oct230235164706
957678730021
1020442311110
1187401739a1
123b6610919a
131c0a2119a0
14dbcd41b94
157e99db10a
hex4c274e9c6

20442311110 has 16 divisors (see below), whose sum is σ = 39626634096. Its totient is φ = 7547930208.

The previous prime is 20442311063. The next prime is 20442311119. The reversal of 20442311110 is 1111324402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20442311119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78624144 + ... + 78624403.

It is an arithmetic number, because the mean of its divisors is an integer number (2476664631).

Almost surely, 220442311110 is an apocalyptic number.

20442311110 is a deficient number, since it is larger than the sum of its proper divisors (19184322986).

20442311110 is a wasteful number, since it uses less digits than its factorization.

20442311110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157248567.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 20442311110 its reverse (1111324402), we get a palindrome (21553635512).

The spelling of 20442311110 in words is "twenty billion, four hundred forty-two million, three hundred eleven thousand, one hundred ten".

Divisors: 1 2 5 10 13 26 65 130 157248547 314497094 786242735 1572485470 2044231111 4088462222 10221155555 20442311110