20051552141 has 4 divisors (see below), whose sum is σ = 20074787712. Its totient is φ = 20028316572.

The previous prime is 20051552123. The next prime is 20051552149. The reversal of 20051552141 is 14125515002.

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 20051552141 - 2⁶ = 20051552077 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 20051552141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20051552149) 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, 11616491 + ... + 11618216.

It is an arithmetic number, because the mean of its divisors is an integer number (5018696928).

Almost surely, 2^20051552141 is an apocalyptic number.

It is an amenable number.

20051552141 is a deficient number, since it is larger than the sum of its proper divisors (23235571).

20051552141 is an equidigital number, since it uses as much as digits as its factorization.

20051552141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23235570.

The product of its (nonzero) digits is 2000, while the sum is 26.

The spelling of 20051552141 in words is "twenty billion, fifty-one million, five hundred fifty-two thousand, one hundred forty-one".