20523053014355 has 16 divisors (see below), whose sum is σ = 25436142332928. Its totient is φ = 15880041516000.

The previous prime is 20523053014313. The next prime is 20523053014367. The reversal of 20523053014355 is 55341035032502.

It is not a de Polignac number, because 20523053014355 - 2⁶ = 20523053014291 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, 36275561 + ... + 36836970.

It is an arithmetic number, because the mean of its divisors is an integer number (1589758895808).

Almost surely, 2^{20523053014355} is an apocalyptic number.

20523053014355 is a deficient number, since it is larger than the sum of its proper divisors (4913089318573).

20523053014355 is a wasteful number, since it uses less digits than its factorization.

20523053014355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73114378.

The product of its (nonzero) digits is 270000, while the sum is 38.

Adding to 20523053014355 its reverse (55341035032502), we get a palindrome (75864088046857).

The spelling of 20523053014355 in words is "twenty trillion, five hundred twenty-three billion, fifty-three million, fourteen thousand, three hundred fifty-five".