10202201020 has 24 divisors (see below), whose sum is σ = 23372315568. Its totient is φ = 3709891200.

The previous prime is 10202200949. The next prime is 10202201033. The reversal of 10202201020 is 2010220201.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 10202200988 and 10202201006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23186601 + ... + 23187040.

It is an arithmetic number, because the mean of its divisors is an integer number (973846482).

Almost surely, 2^10202201020 is an apocalyptic number.

10202201020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10202201020 is an abundant number, since it is smaller than the sum of its proper divisors (13170114548).

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

10202201020 is a wasteful number, since it uses less digits than its factorization.

10202201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46373661 (or 46373659 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 10202201020 its reverse (2010220201), we get a palindrome (12212421221).

The spelling of 10202201020 in words is "ten billion, two hundred two million, two hundred one thousand, twenty".