20424340210 has 32 divisors (see below), whose sum is σ = 37763200512. Its totient is φ = 7949661120.

The previous prime is 20424340201. The next prime is 20424340213. The reversal of 20424340210 is 1204342402.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20424340213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44286 + ... + 206905.

It is an arithmetic number, because the mean of its divisors is an integer number (1180100016).

Almost surely, 2^20424340210 is an apocalyptic number.

20424340210 is a deficient number, since it is larger than the sum of its proper divisors (17338860302).

20424340210 is a wasteful number, since it uses less digits than its factorization.

20424340210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251418.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 20424340210 its reverse (1204342402), we get a palindrome (21628682612).

The spelling of 20424340210 in words is "twenty billion, four hundred twenty-four million, three hundred forty thousand, two hundred ten".