20435061339 has 48 divisors (see below), whose sum is σ = 36941059584. Its totient is φ = 10575158400.

The previous prime is 20435061319. The next prime is 20435061341. The reversal of 20435061339 is 93316053402.

It is a happy number.

20435061339 is a `hidden beast` number, since 2 + 0 + 4 + 3 + 5 + 0 + 613 + 39 = 666.

It is not a de Polignac number, because 20435061339 - 2²³ = 20426672731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20435061319) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 126199 + ... + 238319.

It is an arithmetic number, because the mean of its divisors is an integer number (769605408).

Almost surely, 2^20435061339 is an apocalyptic number.

20435061339 is a deficient number, since it is larger than the sum of its proper divisors (16505998245).

20435061339 is a wasteful number, since it uses less digits than its factorization.

20435061339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112408 (or 112405 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The spelling of 20435061339 in words is "twenty billion, four hundred thirty-five million, sixty-one thousand, three hundred thirty-nine".