670464020 has 48 divisors (see below), whose sum is σ = 1569274560. Its totient is φ = 239122944.

The previous prime is 670464019. The next prime is 670464029. The reversal of 670464020 is 20464076.

It is a super-2 number, since 2×670464020² = 899044004229120800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670464029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45434 + ... + 58353.

It is an arithmetic number, because the mean of its divisors is an integer number (32693220).

Almost surely, 2^670464020 is an apocalyptic number.

It is an amenable number.

670464020 is an abundant number, since it is smaller than the sum of its proper divisors (898810540).

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

670464020 is a wasteful number, since it uses less digits than its factorization.

670464020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103832 (or 103830 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 670464020 is about 25893.3199879815. The cubic root of 670464020 is about 875.2359722750.

The spelling of 670464020 in words is "six hundred seventy million, four hundred sixty-four thousand, twenty".