19953148 has 12 divisors (see below), whose sum is σ = 35076160. Its totient is φ = 9931392.

The previous prime is 19953139. The next prime is 19953149. The reversal of 19953148 is 84135991.

19953148 = T₄₇ + T₄₈ + ... + T₄₉₂.

It is a super-3 number, since 3×19953148³ (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 19953148.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19953149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10293 + ... + 12076.

Almost surely, 2^19953148 is an apocalyptic number.

It is an amenable number.

19953148 is a deficient number, since it is larger than the sum of its proper divisors (15123012).

19953148 is a wasteful number, since it uses less digits than its factorization.

19953148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22596 (or 22594 counting only the distinct ones).

The product of its digits is 38880, while the sum is 40.

The square root of 19953148 is about 4466.8946707976. The cubic root of 19953148 is about 271.2296361078.

The spelling of 19953148 in words is "nineteen million, nine hundred fifty-three thousand, one hundred forty-eight".