20514002452 has 24 divisors (see below), whose sum is σ = 36637090560. Its totient is φ = 10048103520.

The previous prime is 20514002437. The next prime is 20514002461. The reversal of 20514002452 is 25420041502.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 185452 + ... + 274627.

It is an arithmetic number, because the mean of its divisors is an integer number (1526545440).

Almost surely, 2^20514002452 is an apocalyptic number.

It is an amenable number.

20514002452 is a deficient number, since it is larger than the sum of its proper divisors (16123088108).

20514002452 is a wasteful number, since it uses less digits than its factorization.

20514002452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460311 (or 460309 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 20514002452 its reverse (25420041502), we get a palindrome (45934043954).

The spelling of 20514002452 in words is "twenty billion, five hundred fourteen million, two thousand, four hundred fifty-two".