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20444011012 = 22232011110501
BaseRepresentation
bin10011000010100011…
…101101101000000100
31221202210000100212001
4103002203231220010
5313332131323022
613220350035044
71322423140435
oct230243555004
957683010761
1020444011012
118741125077
123b667a8a84
131c0a688649
14dbd26548c
157e9c24b27
hex4c28eda04

20444011012 has 24 divisors (see below), whose sum is σ = 37351444032. Its totient is φ = 9772620000.

The previous prime is 20444011009. The next prime is 20444011019. The reversal of 20444011012 is 21011044402.

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (20444011019) 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, 129762 + ... + 240262.

It is an arithmetic number, because the mean of its divisors is an integer number (1556310168).

Almost surely, 220444011012 is an apocalyptic number.

It is an amenable number.

20444011012 is a deficient number, since it is larger than the sum of its proper divisors (16907433020).

20444011012 is a wasteful number, since it uses less digits than its factorization.

20444011012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112539 (or 112537 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 20444011012 its reverse (21011044402), we get a palindrome (41455055414).

The spelling of 20444011012 in words is "twenty billion, four hundred forty-four million, eleven thousand, twelve".

Divisors: 1 2 4 23 46 92 2011 4022 8044 46253 92506 110501 185012 221002 442004 2541523 5083046 10166092 222217511 444435022 888870044 5111002753 10222005506 20444011012