20404240062 has 32 divisors (see below), whose sum is σ = 41053962240. Its totient is φ = 6760555680.

The previous prime is 20404240037. The next prime is 20404240063. The reversal of 20404240062 is 26004240402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20404240063) 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, 1642908 + ... + 1655280.

It is an arithmetic number, because the mean of its divisors is an integer number (1282936320).

Almost surely, 2^20404240062 is an apocalyptic number.

20404240062 is an abundant number, since it is smaller than the sum of its proper divisors (20649722178).

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

20404240062 is a wasteful number, since it uses less digits than its factorization.

20404240062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14008.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 20404240062 its reverse (26004240402), we get a palindrome (46408480464).

The spelling of 20404240062 in words is "twenty billion, four hundred four million, two hundred forty thousand, sixty-two".