201520024014 has 16 divisors (see below), whose sum is σ = 406116691200. Its totient is φ = 66660567480.

The previous prime is 201520024009. The next prime is 201520024019. The reversal of 201520024014 is 410420025102.

It is an interprime number because it is at equal distance from previous prime (201520024009) and next prime (201520024019).

It is a super-2 number, since 2×201520024014² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201520024019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128192614 + ... + 128194185.

It is an arithmetic number, because the mean of its divisors is an integer number (25382293200).

Almost surely, 2^201520024014 is an apocalyptic number.

201520024014 is an abundant number, since it is smaller than the sum of its proper divisors (204596667186).

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

201520024014 is a wasteful number, since it uses less digits than its factorization.

201520024014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256386935.

The product of its (nonzero) digits is 640, while the sum is 21.

Adding to 201520024014 its reverse (410420025102), we get a palindrome (611940049116).

The spelling of 201520024014 in words is "two hundred one billion, five hundred twenty million, twenty-four thousand, fourteen".