2060021091 has 12 divisors (see below), whose sum is σ = 2785228872. Its totient is φ = 1354092768.

The previous prime is 2060021071. The next prime is 2060021111. The reversal of 2060021091 is 1901200602.

It is an interprime number because it is at equal distance from previous prime (2060021071) and next prime (2060021111).

It is not a de Polignac number, because 2060021091 - 2⁶ = 2060021027 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2060021071) 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, 670140 + ... + 673206.

It is an arithmetic number, because the mean of its divisors is an integer number (232102406).

Almost surely, 2^2060021091 is an apocalyptic number.

2060021091 is a deficient number, since it is larger than the sum of its proper divisors (725207781).

2060021091 is an frugal number, since it uses more digits than its factorization.

2060021091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6210 (or 3143 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 2060021091 is about 45387.4552161718. The cubic root of 2060021091 is about 1272.4006694607.

Adding to 2060021091 its reverse (1901200602), we get a palindrome (3961221693).

The spelling of 2060021091 in words is "two billion, sixty million, twenty-one thousand, ninety-one".