20415420141 has 4 divisors (see below), whose sum is σ = 27220560192. Its totient is φ = 13610280092.

The previous prime is 20415420083. The next prime is 20415420163. The reversal of 20415420141 is 14102451402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20415420141 - 2²² = 20411225837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20415420191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3402570021 + ... + 3402570026.

It is an arithmetic number, because the mean of its divisors is an integer number (6805140048).

Almost surely, 2^20415420141 is an apocalyptic number.

It is an amenable number.

20415420141 is a deficient number, since it is larger than the sum of its proper divisors (6805140051).

20415420141 is an equidigital number, since it uses as much as digits as its factorization.

20415420141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6805140050.

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 20415420141 its reverse (14102451402), we get a palindrome (34517871543).

The spelling of 20415420141 in words is "twenty billion, four hundred fifteen million, four hundred twenty thousand, one hundred forty-one".