19962480 has 40 divisors (see below), whose sum is σ = 61884432. Its totient is φ = 5323264.

The previous prime is 19962479. The next prime is 19962487. The reversal of 19962480 is 8426991.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19962487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41349 + ... + 41828.

Almost surely, 2^19962480 is an apocalyptic number.

19962480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19962480 is an abundant number, since it is smaller than the sum of its proper divisors (41921952).

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

19962480 is a wasteful number, since it uses less digits than its factorization.

19962480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83193 (or 83187 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 19962480 is about 4467.9391222352. The cubic root of 19962480 is about 271.2719138220.

The spelling of 19962480 in words is "nineteen million, nine hundred sixty-two thousand, four hundred eighty".