2061520450 has 24 divisors (see below), whose sum is σ = 4183013520. Its totient is φ = 749643600.

The previous prime is 2061520411. The next prime is 2061520469. The reversal of 2061520450 is 540251602.

2061520450 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1873560 + ... + 1874659.

It is an arithmetic number, because the mean of its divisors is an integer number (174292230).

Almost surely, 2^2061520450 is an apocalyptic number.

2061520450 is an abundant number, since it is smaller than the sum of its proper divisors (2121493070).

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

2061520450 is a wasteful number, since it uses less digits than its factorization.

2061520450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3748242 (or 3748237 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2061520450 is about 45403.9695401184. The cubic root of 2061520450 is about 1272.7092945744.

The spelling of 2061520450 in words is "two billion, sixty-one million, five hundred twenty thousand, four hundred fifty".