10020440431402 has 8 divisors (see below), whose sum is σ = 15030678656196. Its totient is φ = 5010214212672.

The previous prime is 10020440431349. The next prime is 10020440431411. The reversal of 10020440431402 is 20413404402001.

It can be written as a sum of positive squares in 2 ways, for example, as 9984089577121 + 36350854281 = 3159761^2 + 190659^2 .

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, 497023 + ... + 4504210.

Almost surely, 2^{10020440431402} is an apocalyptic number.

10020440431402 is a deficient number, since it is larger than the sum of its proper divisors (5010238224794).

10020440431402 is a wasteful number, since it uses less digits than its factorization.

10020440431402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6003032.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 10020440431402 its reverse (20413404402001), we get a palindrome (30433844833403).

The spelling of 10020440431402 in words is "ten trillion, twenty billion, four hundred forty million, four hundred thirty-one thousand, four hundred two".