20213340034 has 8 divisors (see below), whose sum is σ = 32103540108. Its totient is φ = 9512160000.

The previous prime is 20213340031. The next prime is 20213340061. The reversal of 20213340034 is 43004331202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 15611752809 + 4601587225 = 124947^2 + 67835^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 20213339987 and 20213340014.

It is not an unprimeable number, because it can be changed into a prime (20213340031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297254967 + ... + 297255034.

Almost surely, 2^20213340034 is an apocalyptic number.

20213340034 is a deficient number, since it is larger than the sum of its proper divisors (11890200074).

20213340034 is a wasteful number, since it uses less digits than its factorization.

20213340034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594510020.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 20213340034 its reverse (43004331202), we get a palindrome (63217671236).

The spelling of 20213340034 in words is "twenty billion, two hundred thirteen million, three hundred forty thousand, thirty-four".