20212404535 has 16 divisors (see below), whose sum is σ = 25580338560. Its totient is φ = 15289547040.

The previous prime is 20212404533. The next prime is 20212404547. The reversal of 20212404535 is 53540421202.

It is not a de Polignac number, because 20212404535 - 2¹ = 20212404533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212404533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153721 + ... + 253090.

It is an arithmetic number, because the mean of its divisors is an integer number (1598771160).

Almost surely, 2^20212404535 is an apocalyptic number.

20212404535 is a deficient number, since it is larger than the sum of its proper divisors (5367934025).

20212404535 is a wasteful number, since it uses less digits than its factorization.

20212404535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407358.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 20212404535 its reverse (53540421202), we get a palindrome (73752825737).

The spelling of 20212404535 in words is "twenty billion, two hundred twelve million, four hundred four thousand, five hundred thirty-five".