202001011020 has 72 divisors (see below), whose sum is σ = 612827792304. Its totient is φ = 53858901888.

The previous prime is 202001010961. The next prime is 202001011031. The reversal of 202001011020 is 20110100202.

202001011020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×202001011020² (a number of 23 digits) contains 22 as substring.

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 = 202001010993 and 202001011011.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1179267 + ... + 1339653.

Almost surely, 2^202001011020 is an apocalyptic number.

202001011020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202001011020 is an abundant number, since it is smaller than the sum of its proper divisors (410826781284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202001011020 is a wasteful number, since it uses less digits than its factorization.

202001011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167399 (or 167394 counting only the distinct ones).

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

Adding to 202001011020 its reverse (20110100202), we get a palindrome (222111111222).

The spelling of 202001011020 in words is "two hundred two billion, one million, eleven thousand, twenty".