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2020104231 = 35059133103
BaseRepresentation
bin111100001101000…
…0101100000100111
312012210011221001020
41320122011200213
513114121313411
6532241502223
7101026413465
oct17032054047
95183157036
102020104231
11947329232
12484641973
13262696062
1415240d835
15bc534606
hex78685827

2020104231 has 8 divisors (see below), whose sum is σ = 2694024960. Its totient is φ = 1346459832.

The previous prime is 2020104211. The next prime is 2020104239. The reversal of 2020104231 is 1324010202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2020104231 - 26 = 2020104167 is a prime.

It is a super-2 number, since 2×20201042312 = 8161642208208202722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2020104231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020104239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51375 + ... + 81728.

It is an arithmetic number, because the mean of its divisors is an integer number (336753120).

Almost surely, 22020104231 is an apocalyptic number.

2020104231 is a deficient number, since it is larger than the sum of its proper divisors (673920729).

2020104231 is a wasteful number, since it uses less digits than its factorization.

2020104231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138165.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2020104231 is about 44945.5696481867. The cubic root of 2020104231 is about 1264.1286069188.

Adding to 2020104231 its reverse (1324010202), we get a palindrome (3344114433).

The spelling of 2020104231 in words is "two billion, twenty million, one hundred four thousand, two hundred thirty-one".

Divisors: 1 3 5059 15177 133103 399309 673368077 2020104231