20030748892 has 48 divisors (see below), whose sum is σ = 44230056192. Its totient is φ = 7710151680.

The previous prime is 20030748887. The next prime is 20030748893. The reversal of 20030748892 is 29884703002.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20030748893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 366213 + ... + 417340.

It is an arithmetic number, because the mean of its divisors is an integer number (921459504).

Almost surely, 2^20030748892 is an apocalyptic number.

20030748892 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20030748892 is an abundant number, since it is smaller than the sum of its proper divisors (24199307300).

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

20030748892 is a wasteful number, since it uses less digits than its factorization.

20030748892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783658 (or 783656 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 20030748892 in words is "twenty billion, thirty million, seven hundred forty-eight thousand, eight hundred ninety-two".