20321310151412 has 24 divisors (see below), whose sum is σ = 37434629450400. Its totient is φ = 9625719938976.

The previous prime is 20321310151381. The next prime is 20321310151423. The reversal of 20321310151412 is 21415101312302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2279498 + ... + 6770430.

It is an arithmetic number, because the mean of its divisors is an integer number (1559776227100).

Almost surely, 2^{20321310151412} is an apocalyptic number.

It is an amenable number.

20321310151412 is a deficient number, since it is larger than the sum of its proper divisors (17113319298988).

20321310151412 is a wasteful number, since it uses less digits than its factorization.

20321310151412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4550495 (or 4550493 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 20321310151412 its reverse (21415101312302), we get a palindrome (41736411463714).

The spelling of 20321310151412 in words is "twenty trillion, three hundred twenty-one billion, three hundred ten million, one hundred fifty-one thousand, four hundred twelve".