420002061 has 8 divisors (see below), whose sum is σ = 569494560. Its totient is φ = 275255472.

The previous prime is 420002039. The next prime is 420002083. The reversal of 420002061 is 160200024.

It is an interprime number because it is at equal distance from previous prime (420002039) and next prime (420002083).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 420002061 - 2⁶ = 420001997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 420002061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420002021) 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, 1186270 + ... + 1186623.

It is an arithmetic number, because the mean of its divisors is an integer number (71186820).

Almost surely, 2^420002061 is an apocalyptic number.

It is an amenable number.

420002061 is a deficient number, since it is larger than the sum of its proper divisors (149492499).

420002061 is a wasteful number, since it uses less digits than its factorization.

420002061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2372955.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 420002061 is about 20493.9518151088. The cubic root of 420002061 is about 748.8884636854. Note that the first 3 decimals are identical.

Adding to 420002061 its reverse (160200024), we get a palindrome (580202085).

The spelling of 420002061 in words is "four hundred twenty million, two thousand, sixty-one".