2920694250 has 128 divisors (see below), whose sum is σ = 7756519680. Its totient is φ = 729907200.

The previous prime is 2920694243. The next prime is 2920694251. The reversal of 2920694250 is 524960292.

It is a junction number, because it is equal to n+sod(n) for n = 2920694199 and 2920694208.

It is not an unprimeable number, because it can be changed into a prime (2920694251) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1381194 + ... + 1383306.

It is an arithmetic number, because the mean of its divisors is an integer number (60597810).

Almost surely, 2^2920694250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2920694250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3878259840).

2920694250 is an abundant number, since it is smaller than the sum of its proper divisors (4835825430).

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

2920694250 is a wasteful number, since it uses less digits than its factorization.

2920694250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2249 (or 2239 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 2920694250 is about 54043.4477989700. The cubic root of 2920694250 is about 1429.4271671766.

The spelling of 2920694250 in words is "two billion, nine hundred twenty million, six hundred ninety-four thousand, two hundred fifty".