2020451503 has 16 divisors (see below), whose sum is σ = 2330247744. Its totient is φ = 1716019200.

The previous prime is 2020451497. The next prime is 2020451549. The reversal of 2020451503 is 3051540202.

It is not a de Polignac number, because 2020451503 - 2²⁵ = 1986897071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020451593) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 351553 + ... + 357253.

It is an arithmetic number, because the mean of its divisors is an integer number (145640484).

Almost surely, 2^2020451503 is an apocalyptic number.

2020451503 is a deficient number, since it is larger than the sum of its proper divisors (309796241).

2020451503 is a wasteful number, since it uses less digits than its factorization.

2020451503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6162.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 2020451503 is about 44949.4327327943. The cubic root of 2020451503 is about 1264.2010406922.

Adding to 2020451503 its reverse (3051540202), we get a palindrome (5071991705).

The spelling of 2020451503 in words is "two billion, twenty million, four hundred fifty-one thousand, five hundred three".