20803850000 has 60 divisors (see below), whose sum is σ = 50381220708. Its totient is φ = 8321520000.

The previous prime is 20803849999. The next prime is 20803850009. The reversal of 20803850000 is 5830802.

It can be written as a sum of positive squares in 6 ways, for example, as 16475262736 + 4328587264 = 128356^2 + 65792^2 .

It is not an unprimeable number, because it can be changed into a prime (20803850009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158039 + ... + 258038.

Almost surely, 2^20803850000 is an apocalyptic number.

20803850000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20803850000 is an abundant number, since it is smaller than the sum of its proper divisors (29577370708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20803850000 is an frugal number, since it uses more digits than its factorization.

20803850000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416110 (or 416084 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The spelling of 20803850000 in words is "twenty billion, eight hundred three million, eight hundred fifty thousand".