20000005772 has 6 divisors (see below), whose sum is σ = 35000010108. Its totient is φ = 10000002884.

The previous prime is 20000005769. The next prime is 20000005811. The reversal of 20000005772 is 27750000002.

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 as a sum of consecutive naturals, namely, 2500000718 + ... + 2500000725.

It is an arithmetic number, because the mean of its divisors is an integer number (5833335018).

Almost surely, 2^20000005772 is an apocalyptic number.

It is an amenable number.

20000005772 is a deficient number, since it is larger than the sum of its proper divisors (15000004336).

20000005772 is a wasteful number, since it uses less digits than its factorization.

20000005772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5000001447 (or 5000001445 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 23.

Adding to 20000005772 its reverse (27750000002), we get a palindrome (47750005774).

The spelling of 20000005772 in words is "twenty billion, five thousand, seven hundred seventy-two".