420020410 has 16 divisors (see below), whose sum is σ = 768852000. Its totient is φ = 165160336.

The previous prime is 420020407. The next prime is 420020413. The reversal of 420020410 is 14020024.

It is an interprime number because it is at equal distance from previous prime (420020407) and next prime (420020413).

It is not an unprimeable number, because it can be changed into a prime (420020413) 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, 355360 + ... + 356539.

It is an arithmetic number, because the mean of its divisors is an integer number (48053250).

Almost surely, 2^420020410 is an apocalyptic number.

420020410 is a deficient number, since it is larger than the sum of its proper divisors (348831590).

420020410 is a wasteful number, since it uses less digits than its factorization.

420020410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711965.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 420020410 is about 20494.3994788820. The cubic root of 420020410 is about 748.8993693099.

Adding to 420020410 its reverse (14020024), we get a palindrome (434040434).

The spelling of 420020410 in words is "four hundred twenty million, twenty thousand, four hundred ten".