2020020479 has 2 divisors, whose sum is σ = 2020020480. Its totient is φ = 2020020478.

The previous prime is 2020020421. The next prime is 2020020493. The reversal of 2020020479 is 9740200202.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2020020479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020040479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010010239 + 1010010240.

It is an arithmetic number, because the mean of its divisors is an integer number (1010010240).

Almost surely, 2^2020020479 is an apocalyptic number.

2020020479 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020020479 is an equidigital number, since it uses as much as digits as its factorization.

2020020479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 2020020479 is about 44944.6379337958. The cubic root of 2020020479 is about 1264.1111367374. Note that the first 4 decimals are identical.

The spelling of 2020020479 in words is "two billion, twenty million, twenty thousand, four hundred seventy-nine".