20072633474 has 4 divisors (see below), whose sum is σ = 30108950214. Its totient is φ = 10036316736.

The previous prime is 20072633473. The next prime is 20072633491. The reversal of 20072633474 is 47433627002.

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., 15591268225 + 4481365249 = 124865^2 + 66943^2 .

It is a super-2 number, since 2×20072633474² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20072633473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5018158367 + ... + 5018158370.

Almost surely, 2^20072633474 is an apocalyptic number.

20072633474 is a deficient number, since it is larger than the sum of its proper divisors (10036316740).

20072633474 is a wasteful number, since it uses less digits than its factorization.

20072633474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10036316739.

The product of its (nonzero) digits is 169344, while the sum is 38.

The spelling of 20072633474 in words is "twenty billion, seventy-two million, six hundred thirty-three thousand, four hundred seventy-four".