20203772012 has 24 divisors (see below), whose sum is σ = 35907734016. Its totient is φ = 9944616528.

The previous prime is 20203772003. The next prime is 20203772021. The reversal of 20203772012 is 21027730202.

It is an interprime number because it is at equal distance from previous prime (20203772003) and next prime (20203772021).

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, 400433 + ... + 448055.

It is an arithmetic number, because the mean of its divisors is an integer number (1496155584).

Almost surely, 2^20203772012 is an apocalyptic number.

It is an amenable number.

20203772012 is a deficient number, since it is larger than the sum of its proper divisors (15703962004).

20203772012 is a wasteful number, since it uses less digits than its factorization.

20203772012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49277 (or 49275 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 26.

The spelling of 20203772012 in words is "twenty billion, two hundred three million, seven hundred seventy-two thousand, twelve".