20315445201502 has 8 divisors (see below), whose sum is σ = 33243455784312. Its totient is φ = 9234293273400.

The previous prime is 20315445201481. The next prime is 20315445201521. The reversal of 20315445201502 is 20510254451302.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 461714663649 + ... + 461714663692.

It is an arithmetic number, because the mean of its divisors is an integer number (4155431973039).

Almost surely, 2^{20315445201502} is an apocalyptic number.

20315445201502 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20315445201502 is a deficient number, since it is larger than the sum of its proper divisors (12928010582810).

20315445201502 is a wasteful number, since it uses less digits than its factorization.

20315445201502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923429327354.

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 20315445201502 its reverse (20510254451302), we get a palindrome (40825699652804).

The spelling of 20315445201502 in words is "twenty trillion, three hundred fifteen billion, four hundred forty-five million, two hundred one thousand, five hundred two".