10200122020 has 96 divisors (see below), whose sum is σ = 23994786816. Its totient is φ = 3610185600.

The previous prime is 10200122011. The next prime is 10200122021. The reversal of 10200122020 is 2022100201.

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 = 10200121988 and 10200122006.

It is not an unprimeable number, because it can be changed into a prime (10200122021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2940327 + ... + 2943793.

It is an arithmetic number, because the mean of its divisors is an integer number (249945696).

Almost surely, 2^10200122020 is an apocalyptic number.

10200122020 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 10200122020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11997393408).

10200122020 is an abundant number, since it is smaller than the sum of its proper divisors (13794664796).

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

10200122020 is a wasteful number, since it uses less digits than its factorization.

10200122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3841 (or 3839 counting only the distinct ones).

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

Adding to 10200122020 its reverse (2022100201), we get a palindrome (12222222221).

The spelling of 10200122020 in words is "ten billion, two hundred million, one hundred twenty-two thousand, twenty".