20301344442 has 20 divisors (see below), whose sum is σ = 45490049946. Its totient is φ = 6767114760.

The previous prime is 20301344429. The next prime is 20301344471. The reversal of 20301344442 is 24444310302.

It is a happy number.

20301344442 is a `hidden beast` number, since 203 + 0 + 13 + 4 + 4 + 442 = 666.

It can be written as a sum of positive squares in only one way, i.e., 15472623321 + 4828721121 = 124389^2 + 69489^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 62658309 + ... + 62658632.

Almost surely, 2^20301344442 is an apocalyptic number.

20301344442 is an abundant number, since it is smaller than the sum of its proper divisors (25188705504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20301344442 is a wasteful number, since it uses less digits than its factorization.

20301344442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125316955 (or 125316946 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 20301344442 its reverse (24444310302), we get a palindrome (44745654744).

The spelling of 20301344442 in words is "twenty billion, three hundred one million, three hundred forty-four thousand, four hundred forty-two".