2070502578 has 24 divisors (see below), whose sum is σ = 4518368400. Its totient is φ = 685201464.

The previous prime is 2070502571. The next prime is 2070502597. The reversal of 2070502578 is 8752050702.

It is not an unprimeable number, because it can be changed into a prime (2070502571) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 411268 + ... + 416271.

It is an arithmetic number, because the mean of its divisors is an integer number (188265350).

Almost surely, 2^2070502578 is an apocalyptic number.

2070502578 is an abundant number, since it is smaller than the sum of its proper divisors (2447865822).

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

2070502578 is a wasteful number, since it uses less digits than its factorization.

2070502578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827686 (or 827683 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

The square root of 2070502578 is about 45502.7754977650. The cubic root of 2070502578 is about 1274.5550318084. Note that the first 3 decimals are identical.

It can be divided in two parts, 207050 and 2578, that added together give a triangular number (209628 = T₆₄₇).

The spelling of 2070502578 in words is "two billion, seventy million, five hundred two thousand, five hundred seventy-eight".