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20441231292 = 2234721360821
BaseRepresentation
bin10011000010011001…
…000110111110111100
31221202120210010210110
4103002121012332330
5313330423400132
613220210310020
71322360412336
oct230231067674
957676703713
1020441231292
11873a5a6689
123b65888310
131c09c24341
14dbcb40456
157e98761cc
hex4c2646fbc

20441231292 has 24 divisors (see below), whose sum is σ = 47706441552. Its totient is φ = 6812281600.

The previous prime is 20441231281. The next prime is 20441231303. The reversal of 20441231292 is 29213214402.

It is an interprime number because it is at equal distance from previous prime (20441231281) and next prime (20441231303).

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, 123759 + ... + 237062.

It is an arithmetic number, because the mean of its divisors is an integer number (1987768398).

Almost surely, 220441231292 is an apocalyptic number.

It is an amenable number.

20441231292 is an abundant number, since it is smaller than the sum of its proper divisors (27265210260).

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

20441231292 is a wasteful number, since it uses less digits than its factorization.

20441231292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365549 (or 365547 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 20441231292 its reverse (29213214402), we get a palindrome (49654445694).

The spelling of 20441231292 in words is "twenty billion, four hundred forty-one million, two hundred thirty-one thousand, two hundred ninety-two".

Divisors: 1 2 3 4 6 12 4721 9442 14163 18884 28326 56652 360821 721642 1082463 1443284 2164926 4329852 1703435941 3406871882 5110307823 6813743764 10220615646 20441231292