20350570707 has 16 divisors (see below), whose sum is σ = 30180667680. Its totient is φ = 13552793856.

The previous prime is 20350570697. The next prime is 20350570763. The reversal of 20350570707 is 70707505302.

It is not a de Polignac number, because 20350570707 - 2⁸ = 20350570451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20350570777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 369718 + ... + 421179.

It is an arithmetic number, because the mean of its divisors is an integer number (1886291730).

Almost surely, 2^20350570707 is an apocalyptic number.

20350570707 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

20350570707 is a deficient number, since it is larger than the sum of its proper divisors (9830096973).

20350570707 is an equidigital number, since it uses as much as digits as its factorization.

20350570707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791859 (or 791853 counting only the distinct ones).

The product of its (nonzero) digits is 51450, while the sum is 36.

The spelling of 20350570707 in words is "twenty billion, three hundred fifty million, five hundred seventy thousand, seven hundred seven".