20755298207 has 16 divisors (see below), whose sum is σ = 23785681920. Its totient is φ = 17741325888.

The previous prime is 20755298197. The next prime is 20755298237. The reversal of 20755298207 is 70289255702.

It is a cyclic number.

It is not a de Polignac number, because 20755298207 - 2¹⁶ = 20755232671 is a prime.

It is a super-2 number, since 2×20755298207² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20755298237) 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, 4358894 + ... + 4363652.

It is an arithmetic number, because the mean of its divisors is an integer number (1486605120).

Almost surely, 2^20755298207 is an apocalyptic number.

20755298207 is a deficient number, since it is larger than the sum of its proper divisors (3030383713).

20755298207 is an equidigital number, since it uses as much as digits as its factorization.

20755298207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6350.

The product of its (nonzero) digits is 705600, while the sum is 47.

The spelling of 20755298207 in words is "twenty billion, seven hundred fifty-five million, two hundred ninety-eight thousand, two hundred seven".