20364352651474 has 16 divisors (see below), whose sum is σ = 32907656714688. Its totient is φ = 9395676353232.

The previous prime is 20364352651469. The next prime is 20364352651477. The reversal of 20364352651474 is 47415625346302.

It is a super-2 number, since 2×20364352651474² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20364352651477) 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, 135575152 + ... + 135725275.

It is an arithmetic number, because the mean of its divisors is an integer number (2056728544668).

Almost surely, 2^{20364352651474} is an apocalyptic number.

20364352651474 is a deficient number, since it is larger than the sum of its proper divisors (12543304063214).

20364352651474 is a wasteful number, since it uses less digits than its factorization.

20364352651474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271303329.

The product of its (nonzero) digits is 14515200, while the sum is 52.

Adding to 20364352651474 its reverse (47415625346302), we get a palindrome (67779977997776).

The spelling of 20364352651474 in words is "twenty trillion, three hundred sixty-four billion, three hundred fifty-two million, six hundred fifty-one thousand, four hundred seventy-four".