20246485689807 has 16 divisors (see below), whose sum is σ = 29071991208960. Its totient is φ = 12459326814432.

The previous prime is 20246485689767. The next prime is 20246485689821. The reversal of 20246485689807 is 70898658464202.

It is not a de Polignac number, because 20246485689807 - 2⁷ = 20246485689679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20246485689877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10739178 + ... + 12482904.

It is an arithmetic number, because the mean of its divisors is an integer number (1816999450560).

Almost surely, 2^{20246485689807} is an apocalyptic number.

20246485689807 is a deficient number, since it is larger than the sum of its proper divisors (8825505519153).

20246485689807 is a wasteful number, since it uses less digits than its factorization.

20246485689807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2041462.

The product of its (nonzero) digits is 371589120, while the sum is 69.

The spelling of 20246485689807 in words is "twenty trillion, two hundred forty-six billion, four hundred eighty-five million, six hundred eighty-nine thousand, eight hundred seven".