4022012010420 has 72 divisors (see below), whose sum is σ = 12201223343400. Its totient is φ = 1072438053120.

The previous prime is 4022012010403. The next prime is 4022012010449. The reversal of 4022012010420 is 240102102204.

4022012010420 is a `hidden beast` number, since 4 + 0 + 220 + 1 + 20 + 1 + 0 + 420 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 11621271204 + 4010390739216 = 107802^2 + 2002596^2 .

It is a super-2 number, since 2×4022012010420² (a number of 26 digits) contains 22 as substring.

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 = 4022012010393 and 4022012010402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 950430 + ... + 2991210.

It is an arithmetic number, because the mean of its divisors is an integer number (169461435325).

Almost surely, 2^{4022012010420} is an apocalyptic number.

It is an amenable number.

4022012010420 is an abundant number, since it is smaller than the sum of its proper divisors (8179211332980).

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

4022012010420 is a wasteful number, since it uses less digits than its factorization.

4022012010420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2051745 (or 2051740 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 4022012010420 its reverse (240102102204), we get a palindrome (4262114112624).

The spelling of 4022012010420 in words is "four trillion, twenty-two billion, twelve million, ten thousand, four hundred twenty".