20342213034 has 32 divisors (see below), whose sum is σ = 47797089984. Its totient is φ = 5690129280.

The previous prime is 20342213033. The next prime is 20342213041. The reversal of 20342213034 is 43031224302.

It is a super-2 number, since 2×20342213034² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20342212995 and 20342213013.

It is not an unprimeable number, because it can be changed into a prime (20342213033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11853579 + ... + 11855294.

It is an arithmetic number, because the mean of its divisors is an integer number (1493659062).

Almost surely, 2^20342213034 is an apocalyptic number.

20342213034 is an abundant number, since it is smaller than the sum of its proper divisors (27454876950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20342213034 is a wasteful number, since it uses less digits than its factorization.

20342213034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23708902.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 20342213034 its reverse (43031224302), we get a palindrome (63373437336).

The spelling of 20342213034 in words is "twenty billion, three hundred forty-two million, two hundred thirteen thousand, thirty-four".