10210201020 has 144 divisors (see below), whose sum is σ = 33282875808. Its totient is φ = 2524262400.

The previous prime is 10210200997. The next prime is 10210201031. The reversal of 10210201020 is 2010201201.

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 = 10210200993 and 10210201011.

It is a congruent number.

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, 180120 + ... + 229920.

It is an arithmetic number, because the mean of its divisors is an integer number (231131082).

Almost surely, 2^10210201020 is an apocalyptic number.

10210201020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10210201020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16641437904).

10210201020 is an abundant number, since it is smaller than the sum of its proper divisors (23072674788).

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

10210201020 is a wasteful number, since it uses less digits than its factorization.

10210201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49900 (or 49895 counting only the distinct ones).

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

Adding to 10210201020 its reverse (2010201201), we get a palindrome (12220402221).

The spelling of 10210201020 in words is "ten billion, two hundred ten million, two hundred one thousand, twenty".