1920050220408 has 16 divisors (see below), whose sum is σ = 4800125551080. Its totient is φ = 640016740128.

The previous prime is 1920050220377. The next prime is 1920050220427. The reversal of 1920050220408 is 8040220500291.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40001046235 + ... + 40001046282.

Almost surely, 2^{1920050220408} is an apocalyptic number.

It is an amenable number.

1920050220408 is an abundant number, since it is smaller than the sum of its proper divisors (2880075330672).

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

1920050220408 is a wasteful number, since it uses less digits than its factorization.

1920050220408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80002092526 (or 80002092522 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

Adding to 1920050220408 its reverse (8040220500291), we get a palindrome (9960270720699).

The spelling of 1920050220408 in words is "one trillion, nine hundred twenty billion, fifty million, two hundred twenty thousand, four hundred eight".