20335126616 has 48 divisors (see below), whose sum is σ = 44365751640. Its totient is φ = 8712627840.

The previous prime is 20335126613. The next prime is 20335126619. The reversal of 20335126616 is 61662153302.

It is an interprime number because it is at equal distance from previous prime (20335126613) and next prime (20335126619).

It is a super-2 number, since 2×20335126616² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20335126613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2618996 + ... + 2626748.

Almost surely, 2^20335126616 is an apocalyptic number.

It is an amenable number.

20335126616 is an abundant number, since it is smaller than the sum of its proper divisors (24030625024).

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

20335126616 is a wasteful number, since it uses less digits than its factorization.

20335126616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14464 (or 14453 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 35.

Adding to 20335126616 its reverse (61662153302), we get a palindrome (81997279918).

The spelling of 20335126616 in words is "twenty billion, three hundred thirty-five million, one hundred twenty-six thousand, six hundred sixteen".