20010200210020 has 24 divisors (see below), whose sum is σ = 42022210204800. Its totient is φ = 8003929652832.

The previous prime is 20010200209999. The next prime is 20010200210083. The reversal of 20010200210020 is 2001200201002.

It is a super-2 number, since 2×20010200210020² (a number of 27 digits) contains 22 as substring.

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 = 20010200209979 and 20010200210006.

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, 8308090 + ... + 10442449.

It is an arithmetic number, because the mean of its divisors is an integer number (1750925425200).

Almost surely, 2^{20010200210020} is an apocalyptic number.

20010200210020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20010200210020 is an abundant number, since it is smaller than the sum of its proper divisors (22012009994780).

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

20010200210020 is a wasteful number, since it uses less digits than its factorization.

20010200210020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18803907 (or 18803905 counting only the distinct ones).

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

Adding to 20010200210020 its reverse (2001200201002), we get a palindrome (22011400411022).

The spelling of 20010200210020 in words is "twenty trillion, ten billion, two hundred million, two hundred ten thousand, twenty".