20000020020220 has 96 divisors (see below), whose sum is σ = 42853391957376. Its totient is φ = 7838883763200.

The previous prime is 20000020020143. The next prime is 20000020020223. The reversal of 20000020020220 is 2202002000002.

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 = 20000020020197 and 20000020020206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000020020223) 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, 751951962 + ... + 751978558.

It is an arithmetic number, because the mean of its divisors is an integer number (446389499556).

Almost surely, 2^{20000020020220} is an apocalyptic number.

20000020020220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20000020020220 is an abundant number, since it is smaller than the sum of its proper divisors (22853371937156).

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

20000020020220 is a wasteful number, since it uses less digits than its factorization.

20000020020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29911 (or 29909 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

Adding to 20000020020220 its reverse (2202002000002), we get a palindrome (22202022020222).

The spelling of 20000020020220 in words is "twenty trillion, twenty million, twenty thousand, two hundred twenty".