19022020212 has 24 divisors (see below), whose sum is σ = 47798922976. Its totient is φ = 5852929248.

The previous prime is 19022020207. The next prime is 19022020253. The reversal of 19022020212 is 21202022091.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60967858 + ... + 60968169.

Almost surely, 2^19022020212 is an apocalyptic number.

19022020212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19022020212 is an abundant number, since it is smaller than the sum of its proper divisors (28776902764).

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

19022020212 is a wasteful number, since it uses less digits than its factorization.

19022020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121936047 (or 121936045 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The spelling of 19022020212 in words is "nineteen billion, twenty-two million, twenty thousand, two hundred twelve".