20120801 has 2 divisors, whose sum is σ = 20120802. Its totient is φ = 20120800.

The previous prime is 20120783. The next prime is 20120819. The reversal of 20120801 is 10802102.

It is a balanced prime because it is at equal distance from previous prime (20120783) and next prime (20120819).

It can be written as a sum of positive squares in only one way, i.e., 17230801 + 2890000 = 4151^2 + 1700^2 .

It is a cyclic number.

It is not a de Polignac number, because 20120801 - 2²² = 15926497 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20120851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10060400 + 10060401.

It is an arithmetic number, because the mean of its divisors is an integer number (10060401).

Almost surely, 2^20120801 is an apocalyptic number.

It is an amenable number.

20120801 is a deficient number, since it is larger than the sum of its proper divisors (1).

20120801 is an equidigital number, since it uses as much as digits as its factorization.

20120801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 20120801 is about 4485.6215845744. The cubic root of 20120801 is about 271.9871722973.

Adding to 20120801 its reverse (10802102), we get a palindrome (30922903).

The spelling of 20120801 in words is "twenty million, one hundred twenty thousand, eight hundred one".