20310046402 has 8 divisors (see below), whose sum is σ = 30485479356. Its totient is φ = 10148219952.

The previous prime is 20310046391. The next prime is 20310046417. The reversal of 20310046402 is 20464001302.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20243313841 + 66732561 = 142279^2 + 8169^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3397893 + ... + 3403864.

Almost surely, 2^20310046402 is an apocalyptic number.

20310046402 is a deficient number, since it is larger than the sum of its proper divisors (10175432954).

20310046402 is a wasteful number, since it uses less digits than its factorization.

20310046402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6803252.

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

Adding to 20310046402 its reverse (20464001302), we get a palindrome (40774047704).

The spelling of 20310046402 in words is "twenty billion, three hundred ten million, forty-six thousand, four hundred two".