2051420502 has 16 divisors (see below), whose sum is σ = 4244318640. Its totient is φ = 660227232.

The previous prime is 2051420477. The next prime is 2051420509. The reversal of 2051420502 is 2050241502.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051420509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5894713 + ... + 5895060.

It is an arithmetic number, because the mean of its divisors is an integer number (265269915).

Almost surely, 2^2051420502 is an apocalyptic number.

2051420502 is an abundant number, since it is smaller than the sum of its proper divisors (2192898138).

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

2051420502 is a wasteful number, since it uses less digits than its factorization.

2051420502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11789807.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 2051420502 is about 45292.6097945349. The cubic root of 2051420502 is about 1270.6274416312.

The spelling of 2051420502 in words is "two billion, fifty-one million, four hundred twenty thousand, five hundred two".