20310145510134 has 16 divisors (see below), whose sum is σ = 40623786581040. Its totient is φ = 6769465909920.

The previous prime is 20310145510129. The next prime is 20310145510139. The reversal of 20310145510134 is 43101554101302.

It is an interprime number because it is at equal distance from previous prime (20310145510129) and next prime (20310145510139).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20310145510139) 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, 145572829 + ... + 145712280.

It is an arithmetic number, because the mean of its divisors is an integer number (2538986661315).

Almost surely, 2^{20310145510134} is an apocalyptic number.

20310145510134 is an abundant number, since it is smaller than the sum of its proper divisors (20313641070906).

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

20310145510134 is a wasteful number, since it uses less digits than its factorization.

20310145510134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291296735.

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 20310145510134 its reverse (43101554101302), we get a palindrome (63411699611436).

The spelling of 20310145510134 in words is "twenty trillion, three hundred ten billion, one hundred forty-five million, five hundred ten thousand, one hundred thirty-four".