20110032427 has 2 divisors, whose sum is σ = 20110032428. Its totient is φ = 20110032426.

The previous prime is 20110032409. The next prime is 20110032433. The reversal of 20110032427 is 72423001102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20110032427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20110032398 and 20110032407.

It is not a weakly prime, because it can be changed into another prime (20110032407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10055016213 + 10055016214.

It is an arithmetic number, because the mean of its divisors is an integer number (10055016214).

Almost surely, 2^20110032427 is an apocalyptic number.

20110032427 is a deficient number, since it is larger than the sum of its proper divisors (1).

20110032427 is an equidigital number, since it uses as much as digits as its factorization.

20110032427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 22.

Adding to 20110032427 its reverse (72423001102), we get a palindrome (92533033529).

The spelling of 20110032427 in words is "twenty billion, one hundred ten million, thirty-two thousand, four hundred twenty-seven".