20426146762 has 12 divisors (see below), whose sum is σ = 35641541970. Its totient is φ = 8754062856.

The previous prime is 20426146759. The next prime is 20426146817. The reversal of 20426146762 is 26764162402.

It can be written as a sum of positive squares in only one way, i.e., 14282879121 + 6143267641 = 119511^2 + 78379^2 .

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 5 ways as a sum of consecutive naturals, for example, 104214937 + ... + 104215132.

Almost surely, 2^20426146762 is an apocalyptic number.

20426146762 is a deficient number, since it is larger than the sum of its proper divisors (15215395208).

20426146762 is a wasteful number, since it uses less digits than its factorization.

20426146762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208430085 (or 208430078 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 40.

The spelling of 20426146762 in words is "twenty billion, four hundred twenty-six million, one hundred forty-six thousand, seven hundred sixty-two".