620820046 has 32 divisors (see below), whose sum is σ = 1164441600. Its totient is φ = 241164000.

The previous prime is 620820001. The next prime is 620820049. The reversal of 620820046 is 640028026.

It is a junction number, because it is equal to n+sod(n) for n = 620819996 and 620820023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620820049) 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, 47971 + ... + 59521.

It is an arithmetic number, because the mean of its divisors is an integer number (36388800).

Almost surely, 2^620820046 is an apocalyptic number.

620820046 is a deficient number, since it is larger than the sum of its proper divisors (543621554).

620820046 is a wasteful number, since it uses less digits than its factorization.

620820046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11920.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 620820046 is about 24916.2606745073. The cubic root of 620820046 is about 853.0776761326.

The spelling of 620820046 in words is "six hundred twenty million, eight hundred twenty thousand, forty-six".