1070215920 has 60 divisors (see below), whose sum is σ = 3594144216. Its totient is φ = 285390720.

The previous prime is 1070215889. The next prime is 1070215931. The reversal of 1070215920 is 295120701.

1070215920 is a `hidden beast` number, since 1 + 0 + 70 + 2 + 1 + 592 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×1070215920² = 2290724230842892800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 742486 + ... + 743925.

Almost surely, 2^1070215920 is an apocalyptic number.

1070215920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1070215920 is an abundant number, since it is smaller than the sum of its proper divisors (2523928296).

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

1070215920 is a wasteful number, since it uses less digits than its factorization.

1070215920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1486430 (or 1486421 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 1070215920 is about 32714.1547346099. The cubic root of 1070215920 is about 1022.8779161909.

The spelling of 1070215920 in words is "one billion, seventy million, two hundred fifteen thousand, nine hundred twenty".