20634243602 has 16 divisors (see below), whose sum is σ = 35437669440. Its totient is φ = 8827077168.

The previous prime is 20634243569. The next prime is 20634243631.

20634243602 is nontrivially palindromic in base 10.

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, 1339577 + ... + 1354892.

It is an arithmetic number, because the mean of its divisors is an integer number (2214854340).

Almost surely, 2^20634243602 is an apocalyptic number.

20634243602 is a deficient number, since it is larger than the sum of its proper divisors (14803425838).

20634243602 is a wasteful number, since it uses less digits than its factorization.

20634243602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2695025.

The product of its (nonzero) digits is 41472, while the sum is 32.

The spelling of 20634243602 in words is "twenty billion, six hundred thirty-four million, two hundred forty-three thousand, six hundred two".