20072731034 has 8 divisors (see below), whose sum is σ = 30110033460. Its totient is φ = 10036053216.

The previous prime is 20072731027. The next prime is 20072731061. The reversal of 20072731034 is 43013727002.

It can be written as a sum of positive squares in 2 ways, for example, as 20023099009 + 49632025 = 141503^2 + 7045^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20072730988 and 20072731006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65219 + ... + 210710.

Almost surely, 2^20072731034 is an apocalyptic number.

20072731034 is a deficient number, since it is larger than the sum of its proper divisors (10037302426).

20072731034 is a wasteful number, since it uses less digits than its factorization.

20072731034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312304.

The product of its (nonzero) digits is 7056, while the sum is 29.

The spelling of 20072731034 in words is "twenty billion, seventy-two million, seven hundred thirty-one thousand, thirty-four".