20577034 has 8 divisors (see below), whose sum is σ = 30897828. Its totient is φ = 10277760.

The previous prime is 20577013. The next prime is 20577059. The reversal of 20577034 is 43077502.

It can be written as a sum of positive squares in 2 ways, for example, as 20223009 + 354025 = 4497^2 + 595^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20576993 and 20577011.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2727 + ... + 6970.

Almost surely, 2^20577034 is an apocalyptic number.

20577034 is a deficient number, since it is larger than the sum of its proper divisors (10320794).

20577034 is a wasteful number, since it uses less digits than its factorization.

20577034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10760.

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 20577034 is about 4536.1915744377. The cubic root of 20577034 is about 274.0275692863.

The spelling of 20577034 in words is "twenty million, five hundred seventy-seven thousand, thirty-four".