20035214021 has 8 divisors (see below), whose sum is σ = 20731882080. Its totient is φ = 19338932592.

The previous prime is 20035213999. The next prime is 20035214033. The reversal of 20035214021 is 12041253002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20035214021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20035213984 and 20035214002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20035213021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10826 + ... + 200468.

It is an arithmetic number, because the mean of its divisors is an integer number (2591485260).

Almost surely, 2^20035214021 is an apocalyptic number.

It is an amenable number.

20035214021 is a deficient number, since it is larger than the sum of its proper divisors (696668059).

20035214021 is a wasteful number, since it uses less digits than its factorization.

20035214021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193315.

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

Adding to 20035214021 its reverse (12041253002), we get a palindrome (32076467023).

The spelling of 20035214021 in words is "twenty billion, thirty-five million, two hundred fourteen thousand, twenty-one".