20430141221 has 8 divisors (see below), whose sum is σ = 24722187840. Its totient is φ = 16481458368.

The previous prime is 20430141217. The next prime is 20430141269. The reversal of 20430141221 is 12214103402.

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

It is a cyclic number.

It is not a de Polignac number, because 20430141221 - 2² = 20430141217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20430141193 and 20430141202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20430141271) 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, 85840811 + ... + 85841048.

It is an arithmetic number, because the mean of its divisors is an integer number (3090273480).

Almost surely, 2^20430141221 is an apocalyptic number.

It is an amenable number.

20430141221 is a deficient number, since it is larger than the sum of its proper divisors (4292046619).

20430141221 is a wasteful number, since it uses less digits than its factorization.

20430141221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171681883.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20430141221 its reverse (12214103402), we get a palindrome (32644244623).

The spelling of 20430141221 in words is "twenty billion, four hundred thirty million, one hundred forty-one thousand, two hundred twenty-one".