20122435315 has 16 divisors (see below), whose sum is σ = 24383522016. Its totient is φ = 15940960000.

The previous prime is 20122435313. The next prime is 20122435379. The reversal of 20122435315 is 51353422102.

It is not a de Polignac number, because 20122435315 - 2¹ = 20122435313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20122435313) 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, 170775 + ... + 263455.

It is an arithmetic number, because the mean of its divisors is an integer number (1523970126).

Almost surely, 2^20122435315 is an apocalyptic number.

20122435315 is a deficient number, since it is larger than the sum of its proper divisors (4261086701).

20122435315 is a wasteful number, since it uses less digits than its factorization.

20122435315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93110.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 20122435315 its reverse (51353422102), we get a palindrome (71475857417).

The spelling of 20122435315 in words is "twenty billion, one hundred twenty-two million, four hundred thirty-five thousand, three hundred fifteen".