20502039088 has 10 divisors (see below), whose sum is σ = 39722700764. Its totient is φ = 10251019536.

The previous prime is 20502039079. The next prime is 20502039097. The reversal of 20502039088 is 88093020502.

It is an interprime number because it is at equal distance from previous prime (20502039079) and next prime (20502039097).

It is an unprimeable number.

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, 640688706 + ... + 640688737.

Almost surely, 2^20502039088 is an apocalyptic number.

It is an amenable number.

20502039088 is a deficient number, since it is larger than the sum of its proper divisors (19220661676).

20502039088 is a wasteful number, since it uses less digits than its factorization.

20502039088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281377451 (or 1281377445 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 20502039088 in words is "twenty billion, five hundred two million, thirty-nine thousand, eighty-eight".