2020400147 has 2 divisors, whose sum is σ = 2020400148. Its totient is φ = 2020400146.

The previous prime is 2020400143. The next prime is 2020400171. The reversal of 2020400147 is 7410040202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2020400147 - 2² = 2020400143 is a prime.

It is not a weakly prime, because it can be changed into another prime (2020400141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010200073 + 1010200074.

It is an arithmetic number, because the mean of its divisors is an integer number (1010200074).

Almost surely, 2^2020400147 is an apocalyptic number.

2020400147 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020400147 is an equidigital number, since it uses as much as digits as its factorization.

2020400147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 2020400147 is about 44948.8614650026. The cubic root of 2020400147 is about 1264.1903294133.

Adding to 2020400147 its reverse (7410040202), we get a palindrome (9430440349).

The spelling of 2020400147 in words is "two billion, twenty million, four hundred thousand, one hundred forty-seven".