20356413735 has 32 divisors (see below), whose sum is σ = 37982822400. Its totient is φ = 9305786784.

The previous prime is 20356413713. The next prime is 20356413739. The reversal of 20356413735 is 53731465302.

It is not a de Polignac number, because 20356413735 - 2¹³ = 20356405543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20356413693 and 20356413702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20356413739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1973127 + ... + 1983416.

It is an arithmetic number, because the mean of its divisors is an integer number (1186963200).

Almost surely, 2^20356413735 is an apocalyptic number.

20356413735 is a deficient number, since it is larger than the sum of its proper divisors (17626408665).

20356413735 is an equidigital number, since it uses as much as digits as its factorization.

20356413735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3956572 (or 3956558 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 39.

The spelling of 20356413735 in words is "twenty billion, three hundred fifty-six million, four hundred thirteen thousand, seven hundred thirty-five".