20302801 has 2 divisors, whose sum is σ = 20302802. Its totient is φ = 20302800.

The previous prime is 20302783. The next prime is 20302817. The reversal of 20302801 is 10820302.

It is a happy number.

It is an a-pointer prime, because the next prime (20302817) can be obtained adding 20302801 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19571776 + 731025 = 4424^2 + 855^2 .

It is a cyclic number.

It is not a de Polignac number, because 20302801 - 2¹³ = 20294609 is a prime.

It is not a weakly prime, because it can be changed into another prime (20300801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10151400 + 10151401.

It is an arithmetic number, because the mean of its divisors is an integer number (10151401).

Almost surely, 2^20302801 is an apocalyptic number.

It is an amenable number.

20302801 is a deficient number, since it is larger than the sum of its proper divisors (1).

20302801 is an equidigital number, since it uses as much as digits as its factorization.

20302801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 20302801 is about 4505.8629584132. The cubic root of 20302801 is about 272.8047864891.

The spelling of 20302801 in words is "twenty million, three hundred two thousand, eight hundred one".