20520052435301 has 8 divisors (see below), whose sum is σ = 20587294337400. Its totient is φ = 20452858792128.

The previous prime is 20520052435273. The next prime is 20520052435313. The reversal of 20520052435301 is 10353425002502.

It can be written as a sum of positive squares in 4 ways, for example, as 6810398386276 + 13709654049025 = 2609674^2 + 3702655^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20520052435301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20520052435501) 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, 11212826 + ... + 12913851.

It is an arithmetic number, because the mean of its divisors is an integer number (2573411792175).

Almost surely, 2^{20520052435301} is an apocalyptic number.

It is an amenable number.

20520052435301 is a deficient number, since it is larger than the sum of its proper divisors (67241902099).

20520052435301 is a wasteful number, since it uses less digits than its factorization.

20520052435301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24129463.

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 20520052435301 its reverse (10353425002502), we get a palindrome (30873477437803).

The spelling of 20520052435301 in words is "twenty trillion, five hundred twenty billion, fifty-two million, four hundred thirty-five thousand, three hundred one".