20203772038 has 16 divisors (see below), whose sum is σ = 30994910496. Its totient is φ = 9873585280.

The previous prime is 20203772021. The next prime is 20203772123. The reversal of 20203772038 is 83027730202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20203771994 and 20203772012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334483 + ... + 390238.

It is an arithmetic number, because the mean of its divisors is an integer number (1937181906).

Almost surely, 2^20203772038 is an apocalyptic number.

20203772038 is a deficient number, since it is larger than the sum of its proper divisors (10791138458).

20203772038 is a wasteful number, since it uses less digits than its factorization.

20203772038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725039.

The product of its (nonzero) digits is 28224, while the sum is 34.

The spelling of 20203772038 in words is "twenty billion, two hundred three million, seven hundred seventy-two thousand, thirty-eight".