20010012222020 has 48 divisors (see below), whose sum is σ = 42407868518400. Its totient is φ = 7930325139840.

The previous prime is 20010012221957. The next prime is 20010012222029. The reversal of 20010012222020 is 2022221001002.

It is a junction number, because it is equal to n+sod(n) for n = 20010012221986 and 20010012222004.

It is not an unprimeable number, because it can be changed into a prime (20010012222029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79573085 + ... + 79824155.

It is an arithmetic number, because the mean of its divisors is an integer number (883497260800).

Almost surely, 2^{20010012222020} is an apocalyptic number.

20010012222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20010012222020 is an abundant number, since it is smaller than the sum of its proper divisors (22397856296380).

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

20010012222020 is a wasteful number, since it uses less digits than its factorization.

20010012222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287748 (or 287746 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20010012222020 its reverse (2022221001002), we get a palindrome (22032233223022).

The spelling of 20010012222020 in words is "twenty trillion, ten billion, twelve million, two hundred twenty-two thousand, twenty".