2071711220 has 24 divisors (see below), whose sum is σ = 4351463424. Its totient is φ = 828518816.

The previous prime is 2071711217. The next prime is 2071711237. The reversal of 2071711220 is 221171702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162809 + ... + 175071.

It is an arithmetic number, because the mean of its divisors is an integer number (181310976).

Almost surely, 2^2071711220 is an apocalyptic number.

2071711220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2071711220 is an abundant number, since it is smaller than the sum of its proper divisors (2279752204).

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

2071711220 is a wasteful number, since it uses less digits than its factorization.

2071711220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20719 (or 20717 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 23.

The square root of 2071711220 is about 45516.0545302424. The cubic root of 2071711220 is about 1274.8029878857.

Adding to 2071711220 its reverse (221171702), we get a palindrome (2292882922).

The spelling of 2071711220 in words is "two billion, seventy-one million, seven hundred eleven thousand, two hundred twenty".