20340212510 has 16 divisors (see below), whose sum is σ = 36657541872. Its totient is φ = 8126049600.

The previous prime is 20340212509. The next prime is 20340212521. The reversal of 20340212510 is 1521204302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1245911 + ... + 1262130.

It is an arithmetic number, because the mean of its divisors is an integer number (2291096367).

Almost surely, 2^20340212510 is an apocalyptic number.

20340212510 is a deficient number, since it is larger than the sum of its proper divisors (16317329362).

20340212510 is a wasteful number, since it uses less digits than its factorization.

20340212510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2508859.

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 20340212510 its reverse (1521204302), we get a palindrome (21861416812).

The spelling of 20340212510 in words is "twenty billion, three hundred forty million, two hundred twelve thousand, five hundred ten".