202003011 has 32 divisors (see below), whose sum is σ = 343155200. Its totient is φ = 115045920.

The previous prime is 202002991. The next prime is 202003019. The reversal of 202003011 is 110300202.

It is a happy number.

It is not a de Polignac number, because 202003011 - 2⁵ = 202002979 is a prime.

It is a super-2 number, since 2×202003011² = 81610432906132242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202002984 and 202003002.

It is not an unprimeable number, because it can be changed into a prime (202003019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60945 + ... + 64173.

It is an arithmetic number, because the mean of its divisors is an integer number (10723600).

Almost surely, 2^202003011 is an apocalyptic number.

202003011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

202003011 is a deficient number, since it is larger than the sum of its proper divisors (141152189).

202003011 is a wasteful number, since it uses less digits than its factorization.

202003011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3576 (or 3570 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 202003011 is about 14212.7763297675. The cubic root of 202003011 is about 586.7493461656.

Adding to 202003011 its reverse (110300202), we get a palindrome (312303213).

The spelling of 202003011 in words is "two hundred two million, three thousand, eleven".