20106433935 has 48 divisors (see below), whose sum is σ = 41926210560. Its totient is φ = 8707746240.

The previous prime is 20106433901. The next prime is 20106433937. The reversal of 20106433935 is 53933460102.

It is a happy number.

20106433935 is a `hidden beast` number, since 2 + 0 + 1 + 0 + 643 + 3 + 9 + 3 + 5 = 666.

It is not a de Polignac number, because 20106433935 - 2⁸ = 20106433679 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20106433935.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20106433937) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1673751 + ... + 1685720.

It is an arithmetic number, because the mean of its divisors is an integer number (873462720).

Almost surely, 2^20106433935 is an apocalyptic number.

20106433935 is an abundant number, since it is smaller than the sum of its proper divisors (21819776625).

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

20106433935 is a wasteful number, since it uses less digits than its factorization.

20106433935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3359508 (or 3359505 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The spelling of 20106433935 in words is "twenty billion, one hundred six million, four hundred thirty-three thousand, nine hundred thirty-five".