Search a number
-
+
20332021203313 = 140019714520829
BaseRepresentation
bin1001001111101111010101…
…11001101100000101110001
32122222201111111221012110221
410213313222321230011301
510131104434412001223
6111124222424453041
74165640303465161
oct447675271540561
978881444835427
1020332021203313
116529841a07326
12234459491a181
13b463bc166b11
1450410a0225a1
15253d3881db5d
hex127deae6c171

20332021203313 has 4 divisors (see below), whose sum is σ = 20332037124340. Its totient is φ = 20332005282288.

The previous prime is 20332021203283. The next prime is 20332021203331. The reversal of 20332021203313 is 31330212023302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15267595020129 + 5064426183184 = 3907377^2 + 2250428^2 .

It is a cyclic number.

It is not a de Polignac number, because 20332021203313 - 241 = 18132997947761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20332021233313) 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, 5860218 + ... + 8660611.

It is an arithmetic number, because the mean of its divisors is an integer number (5083009281085).

Almost surely, 220332021203313 is an apocalyptic number.

It is an amenable number.

20332021203313 is a deficient number, since it is larger than the sum of its proper divisors (15921027).

20332021203313 is a wasteful number, since it uses less digits than its factorization.

20332021203313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15921026.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 20332021203313 its reverse (31330212023302), we get a palindrome (51662233226615).

The spelling of 20332021203313 in words is "twenty trillion, three hundred thirty-two billion, twenty-one million, two hundred three thousand, three hundred thirteen".

Divisors: 1 1400197 14520829 20332021203313