2020155003 has 12 divisors (see below), whose sum is σ = 2918557200. Its totient is φ = 1346513616.

The previous prime is 2020154951. The next prime is 2020155013. The reversal of 2020155003 is 3005510202.

It is a happy number.

It is not a de Polignac number, because 2020155003 - 2¹² = 2020150907 is a prime.

It is a super-2 number, since 2×2020155003² = 8162052472291860018, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2020155013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36898 + ... + 73496.

It is an arithmetic number, because the mean of its divisors is an integer number (243213100).

Almost surely, 2^2020155003 is an apocalyptic number.

2020155003 is a deficient number, since it is larger than the sum of its proper divisors (898402197).

2020155003 is a wasteful number, since it uses less digits than its factorization.

2020155003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42738 (or 42735 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 2020155003 is about 44946.1344611525. The cubic root of 2020155003 is about 1264.1391974284.

Adding to 2020155003 its reverse (3005510202), we get a palindrome (5025665205).

The spelling of 2020155003 in words is "two billion, twenty million, one hundred fifty-five thousand, three".