20852107435 has 16 divisors (see below), whose sum is σ = 26751681216. Its totient is φ = 15547972608.

The previous prime is 20852107429. The next prime is 20852107439. The reversal of 20852107435 is 53470125802.

It is not a de Polignac number, because 20852107435 - 2⁹ = 20852106923 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20852107394 and 20852107403.

It is not an unprimeable number, because it can be changed into a prime (20852107439) 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 15 ways as a sum of consecutive naturals, for example, 1182114 + ... + 1199623.

It is an arithmetic number, because the mean of its divisors is an integer number (1671980076).

Almost surely, 2^20852107435 is an apocalyptic number.

20852107435 is a deficient number, since it is larger than the sum of its proper divisors (5899573781).

20852107435 is a wasteful number, since it uses less digits than its factorization.

20852107435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2381862.

The product of its (nonzero) digits is 67200, while the sum is 37.

The spelling of 20852107435 in words is "twenty billion, eight hundred fifty-two million, one hundred seven thousand, four hundred thirty-five".