10202110210020 has 24 divisors (see below), whose sum is σ = 28565908588224. Its totient is φ = 2720562722656.

The previous prime is 10202110209937. The next prime is 10202110210027. The reversal of 10202110210020 is 2001201120201.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10202110209978 and 10202110210005.

It is not an unprimeable number, because it can be changed into a prime (10202110210027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85017585024 + ... + 85017585143.

It is an arithmetic number, because the mean of its divisors is an integer number (1190246191176).

Almost surely, 2^{10202110210020} is an apocalyptic number.

10202110210020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10202110210020 is an abundant number, since it is smaller than the sum of its proper divisors (18363798378204).

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

10202110210020 is a wasteful number, since it uses less digits than its factorization.

10202110210020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170035170179 (or 170035170177 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10202110210020 its reverse (2001201120201), we get a palindrome (12203311330221).

The spelling of 10202110210020 in words is "ten trillion, two hundred two billion, one hundred ten million, two hundred ten thousand, twenty".