20077478162801 has 8 divisors (see below), whose sum is σ = 20135074950720. Its totient is φ = 20019905701488.

The previous prime is 20077478162783. The next prime is 20077478162809. The reversal of 20077478162801 is 10826187477002.

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

It is a cyclic number.

It is not a de Polignac number, because 20077478162801 - 2³⁰ = 20076404420977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20077478162809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4427981 + ... + 7730586.

It is an arithmetic number, because the mean of its divisors is an integer number (2516884368840).

Almost surely, 2^{20077478162801} is an apocalyptic number.

It is an amenable number.

20077478162801 is a deficient number, since it is larger than the sum of its proper divisors (57596787919).

20077478162801 is a wasteful number, since it uses less digits than its factorization.

20077478162801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12163303.

The product of its (nonzero) digits is 2107392, while the sum is 53.

The spelling of 20077478162801 in words is "twenty trillion, seventy-seven billion, four hundred seventy-eight million, one hundred sixty-two thousand, eight hundred one".