20469124 has 12 divisors (see below), whose sum is σ = 38576524. Its totient is φ = 9447264.

The previous prime is 20469101. The next prime is 20469131. The reversal of 20469124 is 42196402.

It can be written as a sum of positive squares in 2 ways, for example, as 10036224 + 10432900 = 3168^2 + 3230^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20469092 and 20469101.

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, 196767 + ... + 196870.

Almost surely, 2^20469124 is an apocalyptic number.

It is an amenable number.

20469124 is a deficient number, since it is larger than the sum of its proper divisors (18107400).

20469124 is a wasteful number, since it uses less digits than its factorization.

20469124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393654 (or 393652 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 20469124 is about 4524.2816004312. The cubic root of 20469124 is about 273.5477113862.

The spelling of 20469124 in words is "twenty million, four hundred sixty-nine thousand, one hundred twenty-four".