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20341244442 = 2319117749777
BaseRepresentation
bin10010111100011011…
…101100001000011010
31221111121122021121210
4102330123230020122
5313124324310232
613202235243550
71320034503441
oct227433541032
957447567553
1020341244442
118699114022
123b382a95b6
131bc22b681c
14dad753d58
157e0bc55cc
hex4bc6ec21a

20341244442 has 16 divisors (see below), whose sum is σ = 40895488512. Its totient is φ = 6744914880.

The previous prime is 20341244437. The next prime is 20341244461. The reversal of 20341244442 is 24444214302.

It is an unprimeable number.

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, 8873743 + ... + 8876034.

It is an arithmetic number, because the mean of its divisors is an integer number (2555968032).

Almost surely, 220341244442 is an apocalyptic number.

20341244442 is an abundant number, since it is smaller than the sum of its proper divisors (20554244070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20341244442 is a wasteful number, since it uses less digits than its factorization.

20341244442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17749973.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 20341244442 its reverse (24444214302), we get a palindrome (44785458744).

The spelling of 20341244442 in words is "twenty billion, three hundred forty-one million, two hundred forty-four thousand, four hundred forty-two".

Divisors: 1 2 3 6 191 382 573 1146 17749777 35499554 53249331 106498662 3390207407 6780414814 10170622221 20341244442