20335740141 has 4 divisors (see below), whose sum is σ = 27114320192. Its totient is φ = 13557160092.

The previous prime is 20335740091. The next prime is 20335740149. The reversal of 20335740141 is 14104753302.

It is a happy number.

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 not a de Polignac number, because 20335740141 - 2¹⁹ = 20335215853 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20335740099 and 20335740108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20335740149) 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, 3389290021 + ... + 3389290026.

It is an arithmetic number, because the mean of its divisors is an integer number (6778580048).

Almost surely, 2^20335740141 is an apocalyptic number.

It is an amenable number.

20335740141 is a deficient number, since it is larger than the sum of its proper divisors (6778580051).

20335740141 is an equidigital number, since it uses as much as digits as its factorization.

20335740141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6778580050.

The product of its (nonzero) digits is 10080, while the sum is 30.

The spelling of 20335740141 in words is "twenty billion, three hundred thirty-five million, seven hundred forty thousand, one hundred forty-one".