20426632141355 has 32 divisors (see below), whose sum is σ = 26934068878848. Its totient is φ = 14748409497600.

The previous prime is 20426632141337. The next prime is 20426632141361. The reversal of 20426632141355 is 55314123662402.

It is not a de Polignac number, because 20426632141355 - 2²² = 20426627947051 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3193820 + ... + 7145190.

It is an arithmetic number, because the mean of its divisors is an integer number (841689652464).

Almost surely, 2^{20426632141355} is an apocalyptic number.

20426632141355 is a deficient number, since it is larger than the sum of its proper divisors (6507436737493).

20426632141355 is a wasteful number, since it uses less digits than its factorization.

20426632141355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3952067.

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 20426632141355 in words is "twenty trillion, four hundred twenty-six billion, six hundred thirty-two million, one hundred forty-one thousand, three hundred fifty-five".