20535100220112 has 60 divisors (see below), whose sum is σ = 53852603275296. Its totient is φ = 6742868658240.

The previous prime is 20535100220071. The next prime is 20535100220149. The reversal of 20535100220112 is 21102200153502.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47435964 + ... + 47866907.

Almost surely, 2^{20535100220112} is an apocalyptic number.

It is an amenable number.

20535100220112 is an abundant number, since it is smaller than the sum of its proper divisors (33317503055184).

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

20535100220112 is an equidigital number, since it uses as much as digits as its factorization.

20535100220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95303016 (or 95302943 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 20535100220112 its reverse (21102200153502), we get a palindrome (41637300373614).

The spelling of 20535100220112 in words is "twenty trillion, five hundred thirty-five billion, one hundred million, two hundred twenty thousand, one hundred twelve".