2899003201920 has 512 divisors, whose sum is σ = 12112594329600. Its totient is φ = 641253335040.

The previous prime is 2899003201907. The next prime is 2899003201931. The reversal of 2899003201920 is 291023009982.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3363202 + ... + 4136318.

It is an arithmetic number, because the mean of its divisors is an integer number (23657410800).

Almost surely, 2^{2899003201920} is an apocalyptic number.

2899003201920 is a gapful number since it is divisible by the number (20) 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 2899003201920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6056297164800).

2899003201920 is an abundant number, since it is smaller than the sum of its proper divisors (9213591127680).

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

2899003201920 is a wasteful number, since it uses less digits than its factorization.

2899003201920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773183 (or 773165 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The spelling of 2899003201920 in words is "two trillion, eight hundred ninety-nine billion, three million, two hundred one thousand, nine hundred twenty".