10002000202020 has 144 divisors (see below), whose sum is σ = 32125814517888. Its totient is φ = 2510169707520.

The previous prime is 10002000202013. The next prime is 10002000202057. The reversal of 10002000202020 is 2020200020001.

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 = 10002000201993 and 10002000202011.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 63835975 + ... + 63992465.

It is an arithmetic number, because the mean of its divisors is an integer number (223095934152).

Almost surely, 2^{10002000202020} is an apocalyptic number.

10002000202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10002000202020 is an abundant number, since it is smaller than the sum of its proper divisors (22123814315868).

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

10002000202020 is a wasteful number, since it uses less digits than its factorization.

10002000202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177410 (or 177405 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 10002000202020 its reverse (2020200020001), we get a palindrome (12022200222021).

The spelling of 10002000202020 in words is "ten trillion, two billion, two hundred two thousand, twenty".