20035230213515 has 16 divisors (see below), whose sum is σ = 27368282854656. Its totient is φ = 13937551452000.

The previous prime is 20035230213497. The next prime is 20035230213533. The reversal of 20035230213515 is 51531203253002.

It is an interprime number because it is at equal distance from previous prime (20035230213497) and next prime (20035230213533).

It is not a de Polignac number, because 20035230213515 - 2⁸ = 20035230213259 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7919062061 + ... + 7919064590.

It is an arithmetic number, because the mean of its divisors is an integer number (1710517678416).

Almost surely, 2^{20035230213515} is an apocalyptic number.

20035230213515 is a deficient number, since it is larger than the sum of its proper divisors (7333052641141).

20035230213515 is a wasteful number, since it uses less digits than its factorization.

20035230213515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15838126690.

The product of its (nonzero) digits is 27000, while the sum is 32.

Adding to 20035230213515 its reverse (51531203253002), we get a palindrome (71566433466517).

The spelling of 20035230213515 in words is "twenty trillion, thirty-five billion, two hundred thirty million, two hundred thirteen thousand, five hundred fifteen".