620452602 has 96 divisors (see below), whose sum is σ = 1749781440. Its totient is φ = 161148960.

The previous prime is 620452601. The next prime is 620452607. The reversal of 620452602 is 206254026.

620452602 is a `hidden beast` number, since 6 + 2 + 0 + 4 + 52 + 602 = 666.

It is a super-2 number, since 2×620452602² = 769922862657140808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (620452601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18448 + ... + 39764.

It is an arithmetic number, because the mean of its divisors is an integer number (18226890).

Almost surely, 2^620452602 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 620452602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (874890720).

620452602 is an abundant number, since it is smaller than the sum of its proper divisors (1129328838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

620452602 is a wasteful number, since it uses less digits than its factorization.

620452602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21353 (or 21340 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 620452602 is about 24908.8860047976. The cubic root of 620452602 is about 852.9093395709.

The spelling of 620452602 in words is "six hundred twenty million, four hundred fifty-two thousand, six hundred two".