620552894 has 16 divisors (see below), whose sum is σ = 1003269120. Its totient is φ = 286169760.

The previous prime is 620552879. The next prime is 620552897. The reversal of 620552894 is 498255026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620552897) 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, 23924 + ... + 42584.

It is an arithmetic number, because the mean of its divisors is an integer number (62704320).

Almost surely, 2^620552894 is an apocalyptic number.

620552894 is a deficient number, since it is larger than the sum of its proper divisors (382716226).

620552894 is a wasteful number, since it uses less digits than its factorization.

620552894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19955.

The product of its (nonzero) digits is 172800, while the sum is 41.

The square root of 620552894 is about 24910.8991005945. The cubic root of 620552894 is about 852.9552927856.

The spelling of 620552894 in words is "six hundred twenty million, five hundred fifty-two thousand, eight hundred ninety-four".