20730701674 has 16 divisors (see below), whose sum is σ = 31315653000. Its totient is φ = 10292199424.

The previous prime is 20730701657. The next prime is 20730701683. The reversal of 20730701674 is 47610703702.

It can be written as a sum of positive squares in 4 ways, for example, as 13745921049 + 6984780625 = 117243^2 + 83575^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 981594 + ... + 1002490.

Almost surely, 2^20730701674 is an apocalyptic number.

20730701674 is a deficient number, since it is larger than the sum of its proper divisors (10584951326).

20730701674 is a wasteful number, since it uses less digits than its factorization.

20730701674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24377.

The product of its (nonzero) digits is 49392, while the sum is 37.

The spelling of 20730701674 in words is "twenty billion, seven hundred thirty million, seven hundred one thousand, six hundred seventy-four".