20435412526 has 4 divisors (see below), whose sum is σ = 30653118792. Its totient is φ = 10217706262.

The previous prime is 20435412523. The next prime is 20435412583. The reversal of 20435412526 is 62521453402.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 20435412491 and 20435412500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20435412523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5108853130 + ... + 5108853133.

It is an arithmetic number, because the mean of its divisors is an integer number (7663279698).

Almost surely, 2^20435412526 is an apocalyptic number.

20435412526 is a deficient number, since it is larger than the sum of its proper divisors (10217706266).

20435412526 is a wasteful number, since it uses less digits than its factorization.

20435412526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10217706265.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 20435412526 its reverse (62521453402), we get a palindrome (82956865928).

The spelling of 20435412526 in words is "twenty billion, four hundred thirty-five million, four hundred twelve thousand, five hundred twenty-six".