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2020435234 = 21010217617
BaseRepresentation
bin111100001101101…
…0110010100100010
312012210210202002121
41320123112110202
513114212411414
6532252534454
7101032262506
oct17033262442
95183722077
102020435234
11947534994
1248478142a
1326278090c
14152498306
15bc59c724
hex786d6522

2020435234 has 4 divisors (see below), whose sum is σ = 3030652854. Its totient is φ = 1010217616.

The previous prime is 2020435223. The next prime is 2020435237. The reversal of 2020435234 is 4325340202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4325340202 = 22162670101.

It can be written as a sum of positive squares in only one way, i.e., 1547242225 + 473193009 = 39335^2 + 21753^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2020435199 and 2020435208.

It is not an unprimeable number, because it can be changed into a prime (2020435237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505108807 + ... + 505108810.

Almost surely, 22020435234 is an apocalyptic number.

2020435234 is a deficient number, since it is larger than the sum of its proper divisors (1010217620).

2020435234 is a wasteful number, since it uses less digits than its factorization.

2020435234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010217619.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 2020435234 is about 44949.2517624042. The cubic root of 2020435234 is about 1264.1976474998.

Adding to 2020435234 its reverse (4325340202), we get a palindrome (6345775436).

The spelling of 2020435234 in words is "two billion, twenty million, four hundred thirty-five thousand, two hundred thirty-four".

Divisors: 1 2 1010217617 2020435234