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20042113203 = 337106042927
BaseRepresentation
bin10010101010100110…
…100110000010110011
31220201202202211201000
4102222212212002303
5312021240110303
613112432013043
71306443102630
oct225246460263
956652684630
1020042113203
118555283322
123a74091183
131b753312a8
14d81b29187
157c47d8da3
hex4aa9a60b3

20042113203 has 16 divisors (see below), whose sum is σ = 33933736960. Its totient is φ = 11452636008.

The previous prime is 20042113151. The next prime is 20042113207. The reversal of 20042113203 is 30231124002.

It is not a de Polignac number, because 20042113203 - 210 = 20042112179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20042113207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53021275 + ... + 53021652.

It is an arithmetic number, because the mean of its divisors is an integer number (2120858560).

Almost surely, 220042113203 is an apocalyptic number.

20042113203 is a deficient number, since it is larger than the sum of its proper divisors (13891623757).

20042113203 is a wasteful number, since it uses less digits than its factorization.

20042113203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106042943 (or 106042937 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20042113203 its reverse (30231124002), we get a palindrome (50273237205).

The spelling of 20042113203 in words is "twenty billion, forty-two million, one hundred thirteen thousand, two hundred three".

Divisors: 1 3 7 9 21 27 63 189 106042927 318128781 742300489 954386343 2226901467 2863159029 6680704401 20042113203