670335200020 has 24 divisors (see below), whose sum is σ = 1423520821800. Its totient is φ = 265121336832.

The previous prime is 670335200011. The next prime is 670335200023. The reversal of 670335200020 is 20002533076.

It can be written as a sum of positive squares in 4 ways, for example, as 58016429956 + 612318770064 = 240866^2 + 782508^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670335200023) 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, 188294625 + ... + 188298184.

It is an arithmetic number, because the mean of its divisors is an integer number (59313367575).

Almost surely, 2^670335200020 is an apocalyptic number.

It is an amenable number.

670335200020 is an abundant number, since it is smaller than the sum of its proper divisors (753185621780).

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

670335200020 is a wasteful number, since it uses less digits than its factorization.

670335200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376592907 (or 376592905 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 28.

Adding to 670335200020 its reverse (20002533076), we get a palindrome (690337733096).

The spelling of 670335200020 in words is "six hundred seventy billion, three hundred thirty-five million, two hundred thousand, twenty".