2020201031 has 4 divisors (see below), whose sum is σ = 2021395992. Its totient is φ = 2019006072.

The previous prime is 2020200983. The next prime is 2020201033. The reversal of 2020201031 is 1301020202.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1301020202 = 2 ⋅650510101.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2020201031 is a prime.

It is a super-2 number, since 2×2020201031² = 8162424411306925922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020201033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 594941 + ... + 598326.

It is an arithmetic number, because the mean of its divisors is an integer number (505348998).

Almost surely, 2^2020201031 is an apocalyptic number.

2020201031 is a deficient number, since it is larger than the sum of its proper divisors (1194961).

2020201031 is a wasteful number, since it uses less digits than its factorization.

2020201031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194960.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2020201031 is about 44946.6464933703. The cubic root of 2020201031 is about 1264.1487982358.

Adding to 2020201031 its reverse (1301020202), we get a palindrome (3321221233).

The spelling of 2020201031 in words is "two billion, twenty million, two hundred one thousand, thirty-one".