20203339802 has 16 divisors (see below), whose sum is σ = 30685369320. Its totient is φ = 9975178752.

The previous prime is 20203339789. The next prime is 20203339811. The reversal of 20203339802 is 20893330202.

It can be written as a sum of positive squares in 4 ways, for example, as 16182638521 + 4020701281 = 127211^2 + 63409^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64178 + ... + 211010.

Almost surely, 2^20203339802 is an apocalyptic number.

20203339802 is a deficient number, since it is larger than the sum of its proper divisors (10482029518).

20203339802 is a wasteful number, since it uses less digits than its factorization.

20203339802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147697.

The product of its (nonzero) digits is 15552, while the sum is 32.

The spelling of 20203339802 in words is "twenty billion, two hundred three million, three hundred thirty-nine thousand, eight hundred two".