20035421120 has 112 divisors (see below), whose sum is σ = 56050269408. Its totient is φ = 6725160960.

The previous prime is 20035421113. The next prime is 20035421149. The reversal of 20035421120 is 2112453002.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 20035421092 and 20035421101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173159 + ... + 264678.

It is an arithmetic number, because the mean of its divisors is an integer number (500448834).

Almost surely, 2^20035421120 is an apocalyptic number.

20035421120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20035421120 is an abundant number, since it is smaller than the sum of its proper divisors (36014848288).

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

20035421120 is a wasteful number, since it uses less digits than its factorization.

20035421120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437878 (or 437868 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 20035421120 its reverse (2112453002), we get a palindrome (22147874122).

The spelling of 20035421120 in words is "twenty billion, thirty-five million, four hundred twenty-one thousand, one hundred twenty".