20013141919 has 4 divisors (see below), whose sum is σ = 20026602144. Its totient is φ = 19999681696.

The previous prime is 20013141877. The next prime is 20013141923. The reversal of 20013141919 is 91914131002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20013141919 - 2¹⁷ = 20013010847 is a prime.

It is a super-2 number, since 2×20013141919² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20013141979) 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, 6727882 + ... + 6730855.

It is an arithmetic number, because the mean of its divisors is an integer number (5006650536).

Almost surely, 2^20013141919 is an apocalyptic number.

20013141919 is a deficient number, since it is larger than the sum of its proper divisors (13460225).

20013141919 is a wasteful number, since it uses less digits than its factorization.

20013141919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13460224.

The product of its (nonzero) digits is 1944, while the sum is 31.

The spelling of 20013141919 in words is "twenty billion, thirteen million, one hundred forty-one thousand, nine hundred nineteen".