Search a number
-
+
20020413044 = 2239712607313
BaseRepresentation
bin10010101001010011…
…110100001001110100
31220200020221100200102
4102221103310021310
5312000211204134
613110334533232
71306060463102
oct225123641164
956606840612
1020020413044
118544001705
123a68967218
131b709a4068
14d7ccbac72
157c294e37e
hex4a94f4274

20020413044 has 12 divisors (see below), whose sum is σ = 35123976804. Its totient is φ = 9984991104.

The previous prime is 20020413041. The next prime is 20020413121. The reversal of 20020413044 is 44031402002.

It can be written as a sum of positive squares in 2 ways, for example, as 11075036644 + 8945376400 = 105238^2 + 94580^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020413041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6302069 + ... + 6305244.

It is an arithmetic number, because the mean of its divisors is an integer number (2926998067).

Almost surely, 220020413044 is an apocalyptic number.

It is an amenable number.

20020413044 is a deficient number, since it is larger than the sum of its proper divisors (15103563760).

20020413044 is a wasteful number, since it uses less digits than its factorization.

20020413044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12607714 (or 12607712 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 20020413044 its reverse (44031402002), we get a palindrome (64051815046).

The spelling of 20020413044 in words is "twenty billion, twenty million, four hundred thirteen thousand, forty-four".

Divisors: 1 2 4 397 794 1588 12607313 25214626 50429252 5005103261 10010206522 20020413044