20767492 has 6 divisors (see below), whose sum is σ = 36343118. Its totient is φ = 10383744.

The previous prime is 20767477. The next prime is 20767501. The reversal of 20767492 is 29476702.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 17505856 + 3261636 = 4184^2 + 1806^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2595933 + ... + 2595940.

Almost surely, 2^20767492 is an apocalyptic number.

It is an amenable number.

20767492 is a deficient number, since it is larger than the sum of its proper divisors (15575626).

20767492 is a wasteful number, since it uses less digits than its factorization.

20767492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5191877 (or 5191875 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 20767492 is about 4557.1363815449. The cubic root of 20767492 is about 274.8704271125.

The spelling of 20767492 in words is "twenty million, seven hundred sixty-seven thousand, four hundred ninety-two".