19620468 has 120 divisors (see below), whose sum is σ = 60333504. Its totient is φ = 5443200.

The previous prime is 19620457. The next prime is 19620493. The reversal of 19620468 is 86402691.

19620468 is a `hidden beast` number, since 196 + 2 + 0 + 468 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 92883 + ... + 93093.

Almost surely, 2^19620468 is an apocalyptic number.

19620468 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19620468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30166752).

19620468 is an abundant number, since it is smaller than the sum of its proper divisors (40713036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19620468 is a wasteful number, since it uses less digits than its factorization.

19620468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 19620468 is about 4429.4997460210. The cubic root of 19620468 is about 269.7137707473.

The spelling of 19620468 in words is "nineteen million, six hundred twenty thousand, four hundred sixty-eight".