620185385284 has 24 divisors (see below), whose sum is σ = 1149335881848. Its totient is φ = 291809064960.

The previous prime is 620185385243. The next prime is 620185385353. The reversal of 620185385284 is 482583581026.

620185385284 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 169890703684 + 450294681600 = 412178^2 + 671040^2 .

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201409 + ... + 1131784.

It is an arithmetic number, because the mean of its divisors is an integer number (47888995077).

Almost surely, 2^620185385284 is an apocalyptic number.

It is an amenable number.

620185385284 is a deficient number, since it is larger than the sum of its proper divisors (529150496564).

620185385284 is a wasteful number, since it uses less digits than its factorization.

620185385284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340055 (or 1340053 counting only the distinct ones).

The product of its (nonzero) digits is 3686400, while the sum is 52.

The spelling of 620185385284 in words is "six hundred twenty billion, one hundred eighty-five million, three hundred eighty-five thousand, two hundred eighty-four".