630020207 has 4 divisors (see below), whose sum is σ = 630241920. Its totient is φ = 629798496.

The previous prime is 630020197. The next prime is 630020213. The reversal of 630020207 is 702020036.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 630020207 - 2¹⁴ = 630003823 is a prime.

It is a super-2 number, since 2×630020207² = 793850922456645698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630020257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106538 + ... + 112295.

It is an arithmetic number, because the mean of its divisors is an integer number (157560480).

Almost surely, 2^630020207 is an apocalyptic number.

630020207 is a deficient number, since it is larger than the sum of its proper divisors (221713).

630020207 is a wasteful number, since it uses less digits than its factorization.

630020207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221712.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 630020207 is about 25100.2033258697. The cubic root of 630020207 is about 857.2710535783.

The spelling of 630020207 in words is "six hundred thirty million, twenty thousand, two hundred seven".