20002426616 has 16 divisors (see below), whose sum is σ = 38376749400. Its totient is φ = 9768626784.

The previous prime is 20002426603. The next prime is 20002426637. The reversal of 20002426616 is 61662420002.

It is a super-2 number, since 2×20002426616² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29072951 + ... + 29073638.

Almost surely, 2^20002426616 is an apocalyptic number.

It is an amenable number.

20002426616 is a deficient number, since it is larger than the sum of its proper divisors (18374322784).

20002426616 is a wasteful number, since it uses less digits than its factorization.

20002426616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58146638 (or 58146634 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 20002426616 its reverse (61662420002), we get a palindrome (81664846618).

The spelling of 20002426616 in words is "twenty billion, two million, four hundred twenty-six thousand, six hundred sixteen".