20477348 has 6 divisors (see below), whose sum is σ = 35835366. Its totient is φ = 10238672.

The previous prime is 20477311. The next prime is 20477351. The reversal of 20477348 is 84377402.

It can be written as a sum of positive squares in only one way, i.e., 14992384 + 5484964 = 3872^2 + 2342^2 .

It is a super-2 number, since 2×20477348² = 838643562226208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2559665 + ... + 2559672.

It is an arithmetic number, because the mean of its divisors is an integer number (5972561).

Almost surely, 2^20477348 is an apocalyptic number.

It is an amenable number.

20477348 is a deficient number, since it is larger than the sum of its proper divisors (15358018).

20477348 is a wasteful number, since it uses less digits than its factorization.

20477348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5119341 (or 5119339 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 20477348 is about 4525.1903827353. The cubic root of 20477348 is about 273.5843414371.

The spelling of 20477348 in words is "twenty million, four hundred seventy-seven thousand, three hundred forty-eight".