20410344424 has 8 divisors (see below), whose sum is σ = 38269395810. Its totient is φ = 10205172208.

The previous prime is 20410344413. The next prime is 20410344433. The reversal of 20410344424 is 42444301402.

It can be written as a sum of positive squares in only one way, i.e., 17951176324 + 2459168100 = 133982^2 + 49590^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 20410344392 and 20410344401.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1275646519 + ... + 1275646534.

Almost surely, 2^20410344424 is an apocalyptic number.

It is an amenable number.

20410344424 is a deficient number, since it is larger than the sum of its proper divisors (17859051386).

20410344424 is a wasteful number, since it uses less digits than its factorization.

20410344424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2551293059 (or 2551293055 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 20410344424 its reverse (42444301402), we get a palindrome (62854645826).

The spelling of 20410344424 in words is "twenty billion, four hundred ten million, three hundred forty-four thousand, four hundred twenty-four".