2002157502 has 16 divisors (see below), whose sum is σ = 4010273040. Its totient is φ = 666392832.

The previous prime is 2002157497. The next prime is 2002157519. The reversal of 2002157502 is 2057512002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243877 + ... + 251952.

It is an arithmetic number, because the mean of its divisors is an integer number (250642065).

Almost surely, 2^2002157502 is an apocalyptic number.

2002157502 is an abundant number, since it is smaller than the sum of its proper divisors (2008115538).

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

2002157502 is a wasteful number, since it uses less digits than its factorization.

2002157502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496507.

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 2002157502 is about 44745.4746538686. The cubic root of 2002157502 is about 1260.3739341150.

Adding to 2002157502 its reverse (2057512002), we get a palindrome (4059669504).

The spelling of 2002157502 in words is "two billion, two million, one hundred fifty-seven thousand, five hundred two".