1960020511 has 4 divisors (see below), whose sum is σ = 1961908000. Its totient is φ = 1958133024.

The previous prime is 1960020497. The next prime is 1960020521. The reversal of 1960020511 is 1150200691.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1960020511 - 2²⁹ = 1423149599 is a prime.

It is a super-2 number, since 2×1960020511² = 7683360807081402242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1960020521) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 942186 + ... + 944263.

It is an arithmetic number, because the mean of its divisors is an integer number (490477000).

Almost surely, 2^1960020511 is an apocalyptic number.

1960020511 is a deficient number, since it is larger than the sum of its proper divisors (1887489).

1960020511 is a wasteful number, since it uses less digits than its factorization.

1960020511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1887488.

The product of its (nonzero) digits is 540, while the sum is 25.

The square root of 1960020511 is about 44272.1188898837. The cubic root of 1960020511 is about 1251.4693145617.

The spelling of 1960020511 in words is "one billion, nine hundred sixty million, twenty thousand, five hundred eleven".