20701742275 has 12 divisors (see below), whose sum is σ = 25785280192. Its totient is φ = 16487123040.

The previous prime is 20701742251. The next prime is 20701742279. The reversal of 20701742275 is 57224710702.

It is not a de Polignac number, because 20701742275 - 2⁷ = 20701742147 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20701742279) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1851084 + ... + 1862233.

Almost surely, 2^20701742275 is an apocalyptic number.

20701742275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20701742275 is a deficient number, since it is larger than the sum of its proper divisors (5083537917).

20701742275 is a wasteful number, since it uses less digits than its factorization.

20701742275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3713550 (or 3713545 counting only the distinct ones).

The product of its (nonzero) digits is 54880, while the sum is 37.

The spelling of 20701742275 in words is "twenty billion, seven hundred one million, seven hundred forty-two thousand, two hundred seventy-five".