20314141661 has 4 divisors (see below), whose sum is σ = 22160881824. Its totient is φ = 18467401500.

The previous prime is 20314141651. The next prime is 20314141663. The reversal of 20314141661 is 16614141302.

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 20314141661 - 2¹⁴ = 20314125277 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 (20314141663) 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, 923370065 + ... + 923370086.

It is an arithmetic number, because the mean of its divisors is an integer number (5540220456).

Almost surely, 2^20314141661 is an apocalyptic number.

It is an amenable number.

20314141661 is a deficient number, since it is larger than the sum of its proper divisors (1846740163).

20314141661 is a wasteful number, since it uses less digits than its factorization.

20314141661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1846740162.

The product of its (nonzero) digits is 3456, while the sum is 29.

Adding to 20314141661 its reverse (16614141302), we get a palindrome (36928282963).

The spelling of 20314141661 in words is "twenty billion, three hundred fourteen million, one hundred forty-one thousand, six hundred sixty-one".