20020402006 has 16 divisors (see below), whose sum is σ = 32762834640. Its totient is φ = 9099578080.

The previous prime is 20020401997. The next prime is 20020402007. The reversal of 20020402006 is 60020402002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020402007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 604920 + ... + 637156.

It is an arithmetic number, because the mean of its divisors is an integer number (2047677165).

Almost surely, 2^20020402006 is an apocalyptic number.

20020402006 is a deficient number, since it is larger than the sum of its proper divisors (12742432634).

20020402006 is a wasteful number, since it uses less digits than its factorization.

20020402006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60479.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 20020402006 its reverse (60020402002), we get a palindrome (80040804008).

The spelling of 20020402006 in words is "twenty billion, twenty million, four hundred two thousand, six".