3421534220 has 24 divisors (see below), whose sum is σ = 7737931824. Its totient is φ = 1263335616.

The previous prime is 3421534219. The next prime is 3421534229. The reversal of 3421534220 is 224351243.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 3421534220.

It is not an unprimeable number, because it can be changed into a prime (3421534229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6579614 + ... + 6580133.

It is an arithmetic number, because the mean of its divisors is an integer number (322413826).

Almost surely, 2^3421534220 is an apocalyptic number.

It is an amenable number.

3421534220 is an abundant number, since it is smaller than the sum of its proper divisors (4316397604).

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

3421534220 is a wasteful number, since it uses less digits than its factorization.

3421534220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13159769 (or 13159767 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 3421534220 is about 58493.8819022981. The cubic root of 3421534220 is about 1506.8625145686.

Adding to 3421534220 its reverse (224351243), we get a palindrome (3645885463).

The spelling of 3421534220 in words is "three billion, four hundred twenty-one million, five hundred thirty-four thousand, two hundred twenty".