20520050210435 has 16 divisors (see below), whose sum is σ = 24900976156320. Its totient is φ = 16231433137920.

The previous prime is 20520050210419. The next prime is 20520050210441. The reversal of 20520050210435 is 53401205002502.

It is not a de Polignac number, because 20520050210435 - 2⁴ = 20520050210419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20520050210398 and 20520050210407.

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, 72078320 + ... + 72362450.

It is an arithmetic number, because the mean of its divisors is an integer number (1556311009770).

Almost surely, 2^{20520050210435} is an apocalyptic number.

20520050210435 is a deficient number, since it is larger than the sum of its proper divisors (4380925945885).

20520050210435 is a wasteful number, since it uses less digits than its factorization.

20520050210435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446518.

The product of its (nonzero) digits is 12000, while the sum is 29.

Adding to 20520050210435 its reverse (53401205002502), we get a palindrome (73921255212937).

The spelling of 20520050210435 in words is "twenty trillion, five hundred twenty billion, fifty million, two hundred ten thousand, four hundred thirty-five".