3402021304220 has 48 divisors (see below), whose sum is σ = 8907110327808. Its totient is φ = 1060370276160.

The previous prime is 3402021304219. The next prime is 3402021304223. The reversal of 3402021304220 is 224031202043.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3402021304223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1104550832 + ... + 1104553911.

It is an arithmetic number, because the mean of its divisors is an integer number (185564798496).

Almost surely, 2^{3402021304220} is an apocalyptic number.

It is an amenable number.

3402021304220 is an abundant number, since it is smaller than the sum of its proper divisors (5505089023588).

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

3402021304220 is a wasteful number, since it uses less digits than its factorization.

3402021304220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2209104770 (or 2209104768 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 3402021304220 its reverse (224031202043), we get a palindrome (3626052506263).

The spelling of 3402021304220 in words is "three trillion, four hundred two billion, twenty-one million, three hundred four thousand, two hundred twenty".