620102001 has 16 divisors (see below), whose sum is σ = 842175360. Its totient is φ = 405767040.

The previous prime is 620101969. The next prime is 620102051. The reversal of 620102001 is 100201026.

It is not a de Polignac number, because 620102001 - 2⁵ = 620101969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (620102051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42421 + ... + 55133.

It is an arithmetic number, because the mean of its divisors is an integer number (52635960).

Almost surely, 2^620102001 is an apocalyptic number.

It is an amenable number.

620102001 is a deficient number, since it is larger than the sum of its proper divisors (222073359).

620102001 is a wasteful number, since it uses less digits than its factorization.

620102001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13016.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 620102001 is about 24901.8473411111. The cubic root of 620102001 is about 852.7486572943.

Adding to 620102001 its reverse (100201026), we get a palindrome (720303027).

The spelling of 620102001 in words is "six hundred twenty million, one hundred two thousand, one".