20060923961 has 4 divisors (see below), whose sum is σ = 21604071972. Its totient is φ = 18517775952.

The previous prime is 20060923879. The next prime is 20060923969. The reversal of 20060923961 is 16932906002.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6090865936 + 13970058025 = 78044^2 + 118195^2 .

It is not a de Polignac number, because 20060923961 - 2³⁴ = 2881054777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20060923969) 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, 771573986 + ... + 771574011.

It is an arithmetic number, because the mean of its divisors is an integer number (5401017993).

Almost surely, 2^20060923961 is an apocalyptic number.

It is an amenable number.

20060923961 is a deficient number, since it is larger than the sum of its proper divisors (1543148011).

20060923961 is a wasteful number, since it uses less digits than its factorization.

20060923961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1543148010.

The product of its (nonzero) digits is 34992, while the sum is 38.

The spelling of 20060923961 in words is "twenty billion, sixty million, nine hundred twenty-three thousand, nine hundred sixty-one".