20477092 has 6 divisors (see below), whose sum is σ = 35834918. Its totient is φ = 10238544.

The previous prime is 20477089. The next prime is 20477113. The reversal of 20477092 is 29077402.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 20304036 + 173056 = 4506^2 + 416^2 .

It is a super-2 number, since 2×20477092² = 838622593552928, which contains 22 as substring.

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, 2559633 + ... + 2559640.

Almost surely, 2^20477092 is an apocalyptic number.

It is an amenable number.

20477092 is a deficient number, since it is larger than the sum of its proper divisors (15357826).

20477092 is a wasteful number, since it uses less digits than its factorization.

20477092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5119277 (or 5119275 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 20477092 is about 4525.1620965442. The cubic root of 20477092 is about 273.5832013500.

The spelling of 20477092 in words is "twenty million, four hundred seventy-seven thousand, ninety-two".