2040202022420 has 12 divisors (see below), whose sum is σ = 4284424247124. Its totient is φ = 816080808960.

The previous prime is 2040202022401. The next prime is 2040202022459. The reversal of 2040202022420 is 242202020402.

It can be written as a sum of positive squares in 2 ways, for example, as 279559642756 + 1760642379664 = 528734^2 + 1326892^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 102010101121 = 2040202022420 / (2 + 0 + 4 + 0 + 2 + 0 + 2 + 0 + 2 + 2 + 4 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 2040202022392 and 2040202022401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51005050541 + ... + 51005050580.

It is an arithmetic number, because the mean of its divisors is an integer number (357035353927).

Almost surely, 2^{2040202022420} is an apocalyptic number.

2040202022420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2040202022420 is an abundant number, since it is smaller than the sum of its proper divisors (2244222224704).

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

2040202022420 is a wasteful number, since it uses less digits than its factorization.

2040202022420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102010101130 (or 102010101128 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 2040202022420 its reverse (242202020402), we get a palindrome (2282404042822).

The spelling of 2040202022420 in words is "two trillion, forty billion, two hundred two million, twenty-two thousand, four hundred twenty".