620036740 has 24 divisors (see below), whose sum is σ = 1302618240. Its totient is φ = 247911648.

The previous prime is 620036731. The next prime is 620036741. The reversal of 620036740 is 47630026.

It is a junction number, because it is equal to n+sod(n) for n = 620036699 and 620036708.

It is not an unprimeable number, because it can be changed into a prime (620036741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59221 + ... + 68899.

It is an arithmetic number, because the mean of its divisors is an integer number (54275760).

Almost surely, 2^620036740 is an apocalyptic number.

It is an amenable number.

620036740 is an abundant number, since it is smaller than the sum of its proper divisors (682581500).

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

620036740 is a wasteful number, since it uses less digits than its factorization.

620036740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12891 (or 12889 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 620036740 is about 24900.5369420019. The cubic root of 620036740 is about 852.7187411502.

Adding to 620036740 its reverse (47630026), we get a palindrome (667666766).

The spelling of 620036740 in words is "six hundred twenty million, thirty-six thousand, seven hundred forty".