20700378603611 has 4 divisors (see below), whose sum is σ = 23657575546992. Its totient is φ = 17743181660232.

The previous prime is 20700378603607. The next prime is 20700378603631. The reversal of 20700378603611 is 11630687300702.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 20700378603611 - 2² = 20700378603607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20700378603631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1478598471680 + ... + 1478598471693.

It is an arithmetic number, because the mean of its divisors is an integer number (5914393886748).

Almost surely, 2^{20700378603611} is an apocalyptic number.

20700378603611 is a deficient number, since it is larger than the sum of its proper divisors (2957196943381).

20700378603611 is an equidigital number, since it uses as much as digits as its factorization.

20700378603611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2957196943380.

The product of its (nonzero) digits is 254016, while the sum is 44.

The spelling of 20700378603611 in words is "twenty trillion, seven hundred billion, three hundred seventy-eight million, six hundred three thousand, six hundred eleven".