200010122020 has 24 divisors (see below), whose sum is σ = 433570330368. Its totient is φ = 77423272800.

The previous prime is 200010122009. The next prime is 200010122021. The reversal of 200010122020 is 20221010002.

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 = 200010121988 and 200010122006.

It is not an unprimeable number, because it can be changed into a prime (200010122021) 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, 161297866 + ... + 161299105.

It is an arithmetic number, because the mean of its divisors is an integer number (18065430432).

Almost surely, 2^200010122020 is an apocalyptic number.

200010122020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200010122020 is an abundant number, since it is smaller than the sum of its proper divisors (233560208348).

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

200010122020 is a wasteful number, since it uses less digits than its factorization.

200010122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322597011 (or 322597009 counting only the distinct ones).

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

Adding to 200010122020 its reverse (20221010002), we get a palindrome (220231132022).

The spelling of 200010122020 in words is "two hundred billion, ten million, one hundred twenty-two thousand, twenty".