20436341415 has 32 divisors (see below), whose sum is σ = 37718576640. Its totient is φ = 9255010944.

The previous prime is 20436341411. The next prime is 20436341447. The reversal of 20436341415 is 51414363402.

It is a happy number.

It is not a de Polignac number, because 20436341415 - 2² = 20436341411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20436341411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 898260 + ... + 920729.

It is an arithmetic number, because the mean of its divisors is an integer number (1178705520).

Almost surely, 2^20436341415 is an apocalyptic number.

20436341415 is a deficient number, since it is larger than the sum of its proper divisors (17282235225).

20436341415 is a wasteful number, since it uses less digits than its factorization.

20436341415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1819111.

The product of its (nonzero) digits is 34560, while the sum is 33.

The spelling of 20436341415 in words is "twenty billion, four hundred thirty-six million, three hundred forty-one thousand, four hundred fifteen".