20473237402 has 16 divisors (see below), whose sum is σ = 30913341480. Its totient is φ = 10168823808.

The previous prime is 20473237399. The next prime is 20473237427.

20473237402 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 18044817561 + 2428419841 = 134331^2 + 49279^2 .

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 7 ways as a sum of consecutive naturals, for example, 1984674 + ... + 1994962.

Almost surely, 2^20473237402 is an apocalyptic number.

20473237402 is a deficient number, since it is larger than the sum of its proper divisors (10440104078).

20473237402 is a wasteful number, since it uses less digits than its factorization.

20473237402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16785.

The product of its (nonzero) digits is 56448, while the sum is 34.

The spelling of 20473237402 in words is "twenty billion, four hundred seventy-three million, two hundred thirty-seven thousand, four hundred two".