2040020420220 has 48 divisors (see below), whose sum is σ = 6346730197920. Its totient is φ = 544005445248.

The previous prime is 2040020420197. The next prime is 2040020420227. The reversal of 2040020420220 is 220240200402.

2040020420220 is a `hidden beast` number, since 2 + 0 + 4 + 0 + 0 + 20 + 420 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2040020420193 and 2040020420202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040020420227) 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, 1888907257 + ... + 1888908336.

It is an arithmetic number, because the mean of its divisors is an integer number (132223545790).

Almost surely, 2^{2040020420220} is an apocalyptic number.

2040020420220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2040020420220 is an abundant number, since it is smaller than the sum of its proper divisors (4306709777700).

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

2040020420220 is a wasteful number, since it uses less digits than its factorization.

2040020420220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3777815611 (or 3777815603 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 2040020420220 its reverse (220240200402), we get a palindrome (2260260620622).

The spelling of 2040020420220 in words is "two trillion, forty billion, twenty million, four hundred twenty thousand, two hundred twenty".