20200573072 has 10 divisors (see below), whose sum is σ = 39138610358. Its totient is φ = 10100286528.

The previous prime is 20200573061. The next prime is 20200573073. The reversal of 20200573072 is 27037500202.

It can be written as a sum of positive squares in only one way, i.e., 18475333776 + 1725239296 = 135924^2 + 41536^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20200573072.

It is not an unprimeable number, because it can be changed into a prime (20200573073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631267893 + ... + 631267924.

Almost surely, 2^20200573072 is an apocalyptic number.

It is an amenable number.

20200573072 is a deficient number, since it is larger than the sum of its proper divisors (18938037286).

20200573072 is a wasteful number, since it uses less digits than its factorization.

20200573072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262535825 (or 1262535819 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 28.

The spelling of 20200573072 in words is "twenty billion, two hundred million, five hundred seventy-three thousand, seventy-two".