20949052 has 6 divisors (see below), whose sum is σ = 36660848. Its totient is φ = 10474524.

The previous prime is 20949023. The next prime is 20949079. The reversal of 20949052 is 25094902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2618628 + ... + 2618635.

Almost surely, 2^20949052 is an apocalyptic number.

It is an amenable number.

20949052 is a deficient number, since it is larger than the sum of its proper divisors (15711796).

20949052 is a wasteful number, since it uses less digits than its factorization.

20949052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5237267 (or 5237265 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 20949052 is about 4577.0134367292. The cubic root of 20949052 is about 275.6691232026.

The spelling of 20949052 in words is "twenty million, nine hundred forty-nine thousand, fifty-two".