20071601674 has 4 divisors (see below), whose sum is σ = 30107402514. Its totient is φ = 10035800836.

The previous prime is 20071601663. The next prime is 20071601689. The reversal of 20071601674 is 47610617002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 19629971449 + 441630225 = 140107^2 + 21015^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5017900417 + ... + 5017900420.

Almost surely, 2^20071601674 is an apocalyptic number.

20071601674 is a deficient number, since it is larger than the sum of its proper divisors (10035800840).

20071601674 is a wasteful number, since it uses less digits than its factorization.

20071601674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10035800839.

The product of its (nonzero) digits is 14112, while the sum is 34.

The spelling of 20071601674 in words is "twenty billion, seventy-one million, six hundred one thousand, six hundred seventy-four".