2020803623 has 2 divisors, whose sum is σ = 2020803624. Its totient is φ = 2020803622.

The previous prime is 2020803601. The next prime is 2020803643. The reversal of 2020803623 is 3263080202.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2020803623 - 2²⁶ = 1953694759 is a prime.

It is a super-2 number, since 2×2020803623² = 8167294565459852258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2020803592 and 2020803601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020803643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010401811 + 1010401812.

It is an arithmetic number, because the mean of its divisors is an integer number (1010401812).

Almost surely, 2^2020803623 is an apocalyptic number.

2020803623 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020803623 is an equidigital number, since it uses as much as digits as its factorization.

2020803623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 2020803623 is about 44953.3494080252. The cubic root of 2020803623 is about 1264.2744771844.

Adding to 2020803623 its reverse (3263080202), we get a palindrome (5283883825).

The spelling of 2020803623 in words is "two billion, twenty million, eight hundred three thousand, six hundred twenty-three".