20056142141 has 4 divisors (see below), whose sum is σ = 22921305312. Its totient is φ = 17190978972.

The previous prime is 20056142107. The next prime is 20056142149. The reversal of 20056142141 is 14124165002.

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 20056142141 - 2¹⁴ = 20056125757 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20056142141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20056142149) 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, 1432581575 + ... + 1432581588.

It is an arithmetic number, because the mean of its divisors is an integer number (5730326328).

Almost surely, 2^20056142141 is an apocalyptic number.

It is an amenable number.

20056142141 is a deficient number, since it is larger than the sum of its proper divisors (2865163171).

20056142141 is an equidigital number, since it uses as much as digits as its factorization.

20056142141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2865163170.

The product of its (nonzero) digits is 1920, while the sum is 26.

The spelling of 20056142141 in words is "twenty billion, fifty-six million, one hundred forty-two thousand, one hundred forty-one".