20426145050 has 24 divisors (see below), whose sum is σ = 37997003676. Its totient is φ = 8169517440.

The previous prime is 20426145023. The next prime is 20426145071. The reversal of 20426145050 is 5054162402.

It can be written as a sum of positive squares in 6 ways, for example, as 3247062289 + 17179082761 = 56983^2 + 131069^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 557084 + ... + 592616.

Almost surely, 2^20426145050 is an apocalyptic number.

20426145050 is a deficient number, since it is larger than the sum of its proper divisors (17570858626).

20426145050 is a wasteful number, since it uses less digits than its factorization.

20426145050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47042 (or 47037 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The spelling of 20426145050 in words is "twenty billion, four hundred twenty-six million, one hundred forty-five thousand, fifty".