2020505722 has 4 divisors (see below), whose sum is σ = 3030758586. Its totient is φ = 1010252860.

The previous prime is 2020505699. The next prime is 2020505741. The reversal of 2020505722 is 2275050202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2275050202 = 2 ⋅1137525101.

It can be written as a sum of positive squares in only one way, i.e., 1040127001 + 980378721 = 32251^2 + 31311^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505126429 + ... + 505126432.

Almost surely, 2^2020505722 is an apocalyptic number.

2020505722 is a deficient number, since it is larger than the sum of its proper divisors (1010252864).

2020505722 is a wasteful number, since it uses less digits than its factorization.

2020505722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010252863.

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 2020505722 is about 44950.0358398077. The cubic root of 2020505722 is about 1264.2123489077.

Adding to 2020505722 its reverse (2275050202), we get a palindrome (4295555924).

The spelling of 2020505722 in words is "two billion, twenty million, five hundred five thousand, seven hundred twenty-two".