20148219 has 48 divisors (see below), whose sum is σ = 36417472. Its totient is φ = 10450944.

The previous prime is 20148217. The next prime is 20148221. The reversal of 20148219 is 91284102.

It is an interprime number because it is at equal distance from previous prime (20148217) and next prime (20148221).

It is not a de Polignac number, because 20148219 - 2¹ = 20148217 is a prime.

It is a super-2 number, since 2×20148219² = 811901457743922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20148192 and 20148201.

It is not an unprimeable number, because it can be changed into a prime (20148211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 59619 + ... + 59955.

Almost surely, 2^20148219 is an apocalyptic number.

20148219 is a deficient number, since it is larger than the sum of its proper divisors (16269253).

20148219 is a wasteful number, since it uses less digits than its factorization.

20148219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436 (or 433 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 20148219 is about 4488.6767537884. The cubic root of 20148219 is about 272.1106590901.

The spelling of 20148219 in words is "twenty million, one hundred forty-eight thousand, two hundred nineteen".