20020435150135 has 32 divisors (see below), whose sum is σ = 28902188620800. Its totient is φ = 13005527857920.

The previous prime is 20020435150123. The next prime is 20020435150141. The reversal of 20020435150135 is 53105153402002.

It is not a de Polignac number, because 20020435150135 - 2¹⁹ = 20020434625847 is a prime.

It is a super-2 number, since 2×20020435150135² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20020435150097 and 20020435150106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42907171 + ... + 43371259.

It is an arithmetic number, because the mean of its divisors is an integer number (903193394400).

Almost surely, 2^{20020435150135} is an apocalyptic number.

20020435150135 is a deficient number, since it is larger than the sum of its proper divisors (8881753470665).

20020435150135 is a wasteful number, since it uses less digits than its factorization.

20020435150135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528991.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 20020435150135 its reverse (53105153402002), we get a palindrome (73125588552137).

The spelling of 20020435150135 in words is "twenty trillion, twenty billion, four hundred thirty-five million, one hundred fifty thousand, one hundred thirty-five".