20990414141 has 4 divisors (see below), whose sum is σ = 22095172800. Its totient is φ = 19885655484.

The previous prime is 20990414119. The next prime is 20990414149. The reversal of 20990414141 is 14141409902.

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, and also an emirpimes, since its reverse is a distinct semiprime: 14141409902 = 2 ⋅7070704951.

It is a cyclic number.

It is not a de Polignac number, because 20990414141 - 2¹⁰ = 20990413117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20990414149) 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, 552379301 + ... + 552379338.

It is an arithmetic number, because the mean of its divisors is an integer number (5523793200).

Almost surely, 2^20990414141 is an apocalyptic number.

It is an amenable number.

20990414141 is a deficient number, since it is larger than the sum of its proper divisors (1104758659).

20990414141 is a wasteful number, since it uses less digits than its factorization.

20990414141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104758658.

The product of its (nonzero) digits is 10368, while the sum is 35.

The spelling of 20990414141 in words is "twenty billion, nine hundred ninety million, four hundred fourteen thousand, one hundred forty-one".