201505070 has 64 divisors (see below), whose sum is σ = 429166080. Its totient is φ = 67402368.

The previous prime is 201505069. The next prime is 201505111. The reversal of 201505070 is 70505102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55037 + ... + 58583.

It is an arithmetic number, because the mean of its divisors is an integer number (6705720).

Almost surely, 2^201505070 is an apocalyptic number.

201505070 is an abundant number, since it is smaller than the sum of its proper divisors (227661010).

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

201505070 is a wasteful number, since it uses less digits than its factorization.

201505070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3609.

The product of its (nonzero) digits is 350, while the sum is 20.

The square root of 201505070 is about 14195.2481485883. The cubic root of 201505070 is about 586.2668336372.

The spelling of 201505070 in words is "two hundred one million, five hundred five thousand, seventy".