19948211024 has 20 divisors (see below), whose sum is σ = 44171038944. Its totient is φ = 8549233248.

The previous prime is 19948211021. The next prime is 19948211113. The reversal of 19948211024 is 42011284991.

It is a super-2 number, since 2×19948211024² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19948211021) 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, 89054402 + ... + 89054625.

Almost surely, 2^19948211024 is an apocalyptic number.

19948211024 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

19948211024 is an abundant number, since it is smaller than the sum of its proper divisors (24222827920).

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

19948211024 is a wasteful number, since it uses less digits than its factorization.

19948211024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178109042 (or 178109036 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 41.

The spelling of 19948211024 in words is "nineteen billion, nine hundred forty-eight million, two hundred eleven thousand, twenty-four".