2029898780 has 48 divisors (see below), whose sum is σ = 5246512320. Its totient is φ = 642428928.

The previous prime is 2029898749. The next prime is 2029898789. The reversal of 2029898780 is 878989202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2029898789) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 555845 + ... + 559484.

It is an arithmetic number, because the mean of its divisors is an integer number (109302340).

Almost surely, 2^2029898780 is an apocalyptic number.

2029898780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2029898780 is an abundant number, since it is smaller than the sum of its proper divisors (3216613540).

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

2029898780 is a wasteful number, since it uses less digits than its factorization.

2029898780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115358 (or 1115356 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 53.

The square root of 2029898780 is about 45054.3980095173. The cubic root of 2029898780 is about 1266.1683717142.

The spelling of 2029898780 in words is "two billion, twenty-nine million, eight hundred ninety-eight thousand, seven hundred eighty".