20310020034 has 16 divisors (see below), whose sum is σ = 40673426400. Its totient is φ = 6761108960.

The previous prime is 20310020033. The next prime is 20310020041. The reversal of 20310020034 is 43002001302.

It is a super-2 number, since 2×20310020034² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20310019995 and 20310020022.

It is not an unprimeable number, because it can be changed into a prime (20310020033) 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 7 ways as a sum of consecutive naturals, for example, 2219484 + ... + 2228615.

It is an arithmetic number, because the mean of its divisors is an integer number (2542089150).

Almost surely, 2^20310020034 is an apocalyptic number.

20310020034 is an abundant number, since it is smaller than the sum of its proper divisors (20363406366).

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

20310020034 is a wasteful number, since it uses less digits than its factorization.

20310020034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4448865.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20310020034 its reverse (43002001302), we get a palindrome (63312021336).

The spelling of 20310020034 in words is "twenty billion, three hundred ten million, twenty thousand, thirty-four".