20315445210352 has 20 divisors (see below), whose sum is σ = 39361388785776. Its totient is φ = 10157667459200.

The previous prime is 20315445210329. The next prime is 20315445210367. The reversal of 20315445210352 is 25301254451302.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321508 + ... + 6382339.

Almost surely, 2^{20315445210352} is an apocalyptic number.

It is an amenable number.

20315445210352 is a deficient number, since it is larger than the sum of its proper divisors (19045943575424).

20315445210352 is a wasteful number, since it uses less digits than its factorization.

20315445210352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6893256 (or 6893250 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 20315445210352 its reverse (25301254451302), we get a palindrome (45616699661654).

The spelling of 20315445210352 in words is "twenty trillion, three hundred fifteen billion, four hundred forty-five million, two hundred ten thousand, three hundred fifty-two".