202020291011 has 96 divisors (see below), whose sum is σ = 271383146496. Its totient is φ = 145859328000.

The previous prime is 202020291007. The next prime is 202020291037. The reversal of 202020291011 is 110192020202.

It is a happy number.

It is not a de Polignac number, because 202020291011 - 2² = 202020291007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202020291211) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 340674731 + ... + 340675323.

It is an arithmetic number, because the mean of its divisors is an integer number (2826907776).

Almost surely, 2^202020291011 is an apocalyptic number.

202020291011 is a deficient number, since it is larger than the sum of its proper divisors (69362855485).

202020291011 is a wasteful number, since it uses less digits than its factorization.

202020291011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801 (or 742 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 202020291011 in words is "two hundred two billion, twenty million, two hundred ninety-one thousand, eleven".