20372572034 has 8 divisors (see below), whose sum is σ = 30861421308. Its totient is φ = 10085431600.

The previous prime is 20372572001. The next prime is 20372572037. The reversal of 20372572034 is 43027527302.

It can be written as a sum of positive squares in 2 ways, for example, as 18742431409 + 1630140625 = 136903^2 + 40375^2 .

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 = 20372571985 and 20372572003.

It is not an unprimeable number, because it can be changed into a prime (20372572037) by changing a digit.

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, 50426957 + ... + 50427360.

Almost surely, 2^20372572034 is an apocalyptic number.

20372572034 is a deficient number, since it is larger than the sum of its proper divisors (10488849274).

20372572034 is a wasteful number, since it uses less digits than its factorization.

20372572034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100854420.

The product of its (nonzero) digits is 70560, while the sum is 35.

The spelling of 20372572034 in words is "twenty billion, three hundred seventy-two million, five hundred seventy-two thousand, thirty-four".