20230992 has 40 divisors (see below), whose sum is σ = 58071680. Its totient is φ = 6743520.

The previous prime is 20230981. The next prime is 20230997. The reversal of 20230992 is 29903202.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20230997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22984 + ... + 23847.

It is an arithmetic number, because the mean of its divisors is an integer number (1451792).

Almost surely, 2^20230992 is an apocalyptic number.

It is an amenable number.

20230992 is an abundant number, since it is smaller than the sum of its proper divisors (37840688).

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

20230992 is a wasteful number, since it uses less digits than its factorization.

20230992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46848 (or 46836 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 20230992 is about 4497.8875041513. The cubic root of 20230992 is about 272.4827787001.

The spelling of 20230992 in words is "twenty million, two hundred thirty thousand, nine hundred ninety-two".