3420520232 has 8 divisors (see below), whose sum is σ = 6413475450. Its totient is φ = 1710260112.

The previous prime is 3420520177. The next prime is 3420520289. The reversal of 3420520232 is 2320250243.

It can be written as a sum of positive squares in only one way, i.e., 3395859076 + 24661156 = 58274^2 + 4966^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 3420520198 and 3420520207.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213782507 + ... + 213782522.

Almost surely, 2^3420520232 is an apocalyptic number.

It is an amenable number.

3420520232 is a deficient number, since it is larger than the sum of its proper divisors (2992955218).

3420520232 is a wasteful number, since it uses less digits than its factorization.

3420520232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427565035 (or 427565031 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 3420520232 is about 58485.2137894699. The cubic root of 3420520232 is about 1506.7136445616.

Adding to 3420520232 its reverse (2320250243), we get a palindrome (5740770475).

The spelling of 3420520232 in words is "three billion, four hundred twenty million, five hundred twenty thousand, two hundred thirty-two".