216020151 has 12 divisors (see below), whose sum is σ = 313945528. Its totient is φ = 143128944.

The previous prime is 216020107. The next prime is 216020191. The reversal of 216020151 is 151020612.

216020151 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 216020151 - 2⁶ = 216020087 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 (216020191) 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, 72160 + ... + 75093.

Almost surely, 2^216020151 is an apocalyptic number.

216020151 is a deficient number, since it is larger than the sum of its proper divisors (97925377).

216020151 is a wasteful number, since it uses less digits than its factorization.

216020151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147422 (or 147419 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 216020151 is about 14697.6239916525. The cubic root of 216020151 is about 600.0186577531.

Adding to 216020151 its reverse (151020612), we get a palindrome (367040763).

The spelling of 216020151 in words is "two hundred sixteen million, twenty thousand, one hundred fifty-one".