20443431010 has 8 divisors (see below), whose sum is σ = 36798175836. Its totient is φ = 8177372400.

The previous prime is 20443430963. The next prime is 20443431023. The reversal of 20443431010 is 1013434402.

It can be written as a sum of positive squares in 2 ways, for example, as 19871695089 + 571735921 = 140967^2 + 23911^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1022171541 + ... + 1022171560.

Almost surely, 2^20443431010 is an apocalyptic number.

20443431010 is a deficient number, since it is larger than the sum of its proper divisors (16354744826).

20443431010 is a wasteful number, since it uses less digits than its factorization.

20443431010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2044343108.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20443431010 its reverse (1013434402), we get a palindrome (21456865412).

The spelling of 20443431010 in words is "twenty billion, four hundred forty-three million, four hundred thirty-one thousand, ten".