20310316121040 has 120 divisors (see below), whose sum is σ = 69206143377504. Its totient is φ = 4923712992000.

The previous prime is 20310316121003. The next prime is 20310316121093. The reversal of 20310316121040 is 4012161301302.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 20310316121040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 349666486 + ... + 349724565.

Almost surely, 2^{20310316121040} is an apocalyptic number.

20310316121040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20310316121040 is an abundant number, since it is smaller than the sum of its proper divisors (48895827256464).

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

20310316121040 is a wasteful number, since it uses less digits than its factorization.

20310316121040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699391089 (or 699391072 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 20310316121040 its reverse (4012161301302), we get a palindrome (24322477422342).

The spelling of 20310316121040 in words is "twenty trillion, three hundred ten billion, three hundred sixteen million, one hundred twenty-one thousand, forty".