Search a number
-
+
20003341431 = 3172367325339
BaseRepresentation
bin10010101000010010…
…101100010001110111
31220122001211000211110
4102220102230101313
5311431323411211
613104525010103
71305462411453
oct225022542167
956561730743
1020003341431
118535401537
123a630b3933
131b6a2a7808
14d7a915663
157c11caea6
hex4a84ac477

20003341431 has 32 divisors (see below), whose sum is σ = 29512788480. Its totient is φ = 11987103744.

The previous prime is 20003341429. The next prime is 20003341447. The reversal of 20003341431 is 13414330002.

It is not a de Polignac number, because 20003341431 - 21 = 20003341429 is a prime.

It is a super-2 number, since 2×200033414312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20003341398 and 20003341407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003341411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 776760 + ... + 802098.

It is an arithmetic number, because the mean of its divisors is an integer number (922274640).

Almost surely, 220003341431 is an apocalyptic number.

20003341431 is a deficient number, since it is larger than the sum of its proper divisors (9509447049).

20003341431 is a wasteful number, since it uses less digits than its factorization.

20003341431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26055.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20003341431 its reverse (13414330002), we get a palindrome (33417671433).

The spelling of 20003341431 in words is "twenty billion, three million, three hundred forty-one thousand, four hundred thirty-one".

Divisors: 1 3 17 23 51 69 391 673 1173 2019 11441 15479 25339 34323 46437 76017 263143 430763 582797 789429 1292289 1748391 9907549 17053147 29722647 51159441 289903499 392222381 869710497 1176667143 6667780477 20003341431