20413353535 has 16 divisors (see below), whose sum is σ = 24733320192. Its totient is φ = 16172589600.

The previous prime is 20413353523. The next prime is 20413353607. The reversal of 20413353535 is 53535331402.

It is not a de Polignac number, because 20413353535 - 2¹¹ = 20413351487 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20413353535.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2452030 + ... + 2460340.

It is an arithmetic number, because the mean of its divisors is an integer number (1545832512).

Almost surely, 2^20413353535 is an apocalyptic number.

20413353535 is a deficient number, since it is larger than the sum of its proper divisors (4319966657).

20413353535 is a wasteful number, since it uses less digits than its factorization.

20413353535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13014.

The product of its (nonzero) digits is 81000, while the sum is 34.

Adding to 20413353535 its reverse (53535331402), we get a palindrome (73948684937).

The spelling of 20413353535 in words is "twenty billion, four hundred thirteen million, three hundred fifty-three thousand, five hundred thirty-five".