207070420 has 24 divisors (see below), whose sum is σ = 436512384. Its totient is φ = 82511136.

The previous prime is 207070399. The next prime is 207070427. The reversal of 207070420 is 24070702.

207070420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 207070391 and 207070400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (207070427) 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, 14424 + ... + 24943.

It is an arithmetic number, because the mean of its divisors is an integer number (18188016).

Almost surely, 2^207070420 is an apocalyptic number.

207070420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

207070420 is an abundant number, since it is smaller than the sum of its proper divisors (229441964).

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

207070420 is a wasteful number, since it uses less digits than its factorization.

207070420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39639 (or 39637 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 22.

The square root of 207070420 is about 14389.9416260109. The cubic root of 207070420 is about 591.6152425936.

The spelling of 207070420 in words is "two hundred seven million, seventy thousand, four hundred twenty".