20111006416 has 20 divisors (see below), whose sum is σ = 39190311972. Its totient is φ = 9997377536.

The previous prime is 20111006407. The next prime is 20111006429. The reversal of 20111006416 is 61460011102.

It can be written as a sum of positive squares in 2 ways, for example, as 10404816016 + 9706190400 = 102004^2 + 98520^2 .

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, 3630001 + ... + 3635536.

Almost surely, 2^20111006416 is an apocalyptic number.

It is an amenable number.

20111006416 is a deficient number, since it is larger than the sum of its proper divisors (19079305556).

20111006416 is a wasteful number, since it uses less digits than its factorization.

20111006416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7265718 (or 7265712 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 20111006416 its reverse (61460011102), we get a palindrome (81571017518).

The spelling of 20111006416 in words is "twenty billion, one hundred eleven million, six thousand, four hundred sixteen".