20035310121 has 32 divisors (see below), whose sum is σ = 29903253120. Its totient is φ = 13257603072.

The previous prime is 20035310083. The next prime is 20035310129. The reversal of 20035310121 is 12101353002.

20035310121 is a `hidden beast` number, since 200 + 35 + 310 + 121 = 666.

It is not a de Polignac number, because 20035310121 - 2¹³ = 20035301929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20035310094 and 20035310103.

It is not an unprimeable number, because it can be changed into a prime (20035310129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2429421 + ... + 2437653.

It is an arithmetic number, because the mean of its divisors is an integer number (934476660).

Almost surely, 2^20035310121 is an apocalyptic number.

It is an amenable number.

20035310121 is a deficient number, since it is larger than the sum of its proper divisors (9867942999).

20035310121 is a wasteful number, since it uses less digits than its factorization.

20035310121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8902 (or 8896 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

Adding to 20035310121 its reverse (12101353002), we get a palindrome (32136663123).

The spelling of 20035310121 in words is "twenty billion, thirty-five million, three hundred ten thousand, one hundred twenty-one".