2070551021 has 32 divisors (see below), whose sum is σ = 2613504000. Its totient is φ = 1593535680.

The previous prime is 2070550997. The next prime is 2070551033. The reversal of 2070551021 is 1201550702.

It is a happy number.

It is not a de Polignac number, because 2070551021 - 2¹⁸ = 2070288877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2070551081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2497235 + ... + 2498063.

It is an arithmetic number, because the mean of its divisors is an integer number (81672000).

Almost surely, 2^2070551021 is an apocalyptic number.

It is an amenable number.

2070551021 is a deficient number, since it is larger than the sum of its proper divisors (542952979).

2070551021 is a wasteful number, since it uses less digits than its factorization.

2070551021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209.

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 2070551021 is about 45503.3078028400. The cubic root of 2070551021 is about 1274.5649718730.

The spelling of 2070551021 in words is "two billion, seventy million, five hundred fifty-one thousand, twenty-one".