202020010011 has 32 divisors (see below), whose sum is σ = 303571530240. Its totient is φ = 132766452000.

The previous prime is 202020009991. The next prime is 202020010021. The reversal of 202020010011 is 110010020202.

It is not a de Polignac number, because 202020010011 - 2¹³ = 202020001819 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 202020009975 and 202020010002.

It is not an unprimeable number, because it can be changed into a prime (202020010021) 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, 344961 + ... + 723213.

It is an arithmetic number, because the mean of its divisors is an integer number (9486610320).

Almost surely, 2^202020010011 is an apocalyptic number.

202020010011 is a deficient number, since it is larger than the sum of its proper divisors (101551520229).

202020010011 is a wasteful number, since it uses less digits than its factorization.

202020010011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378544 (or 378538 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 202020010011 its reverse (110010020202), we get a palindrome (312030030213).

The spelling of 202020010011 in words is "two hundred two billion, twenty million, ten thousand, eleven".