20034331601 has 2 divisors, whose sum is σ = 20034331602. Its totient is φ = 20034331600.

The previous prime is 20034331579. The next prime is 20034331607. The reversal of 20034331601 is 10613343002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17227875025 + 2806456576 = 131255^2 + 52976^2 .

It is a cyclic number.

It is not a de Polignac number, because 20034331601 - 2²² = 20030137297 is a prime.

It is not a weakly prime, because it can be changed into another prime (20034331607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10017165800 + 10017165801.

It is an arithmetic number, because the mean of its divisors is an integer number (10017165801).

Almost surely, 2^20034331601 is an apocalyptic number.

It is an amenable number.

20034331601 is a deficient number, since it is larger than the sum of its proper divisors (1).

20034331601 is an equidigital number, since it uses as much as digits as its factorization.

20034331601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 20034331601 its reverse (10613343002), we get a palindrome (30647674603).

The spelling of 20034331601 in words is "twenty billion, thirty-four million, three hundred thirty-one thousand, six hundred one".