20311142030302 has 16 divisors (see below), whose sum is σ = 32713222959072. Its totient is φ = 9423562167040.

The previous prime is 20311142030293. The next prime is 20311142030303. The reversal of 20311142030302 is 20303024111302.

It is a super-2 number, since 2×20311142030302² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20311142030303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4206944983 + ... + 4206949810.

It is an arithmetic number, because the mean of its divisors is an integer number (2044576434942).

Almost surely, 2^{20311142030302} is an apocalyptic number.

20311142030302 is a deficient number, since it is larger than the sum of its proper divisors (12402080928770).

20311142030302 is a wasteful number, since it uses less digits than its factorization.

20311142030302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8413894883.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20311142030302 its reverse (20303024111302), we get a palindrome (40614166141604).

The spelling of 20311142030302 in words is "twenty trillion, three hundred eleven billion, one hundred forty-two million, thirty thousand, three hundred two".