215020054010 has 8 divisors (see below), whose sum is σ = 387036097236. Its totient is φ = 86008021600.

The previous prime is 215020053991. The next prime is 215020054027. The reversal of 215020054010 is 10450020512.

It can be written as a sum of positive squares in 2 ways, for example, as 172950352129 + 42069701881 = 415873^2 + 205109^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10751002691 + ... + 10751002710.

Almost surely, 2^215020054010 is an apocalyptic number.

215020054010 is a deficient number, since it is larger than the sum of its proper divisors (172016043226).

215020054010 is a wasteful number, since it uses less digits than its factorization.

215020054010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21502005408.

The product of its (nonzero) digits is 400, while the sum is 20.

Adding to 215020054010 its reverse (10450020512), we get a palindrome (225470074522).

The spelling of 215020054010 in words is "two hundred fifteen billion, twenty million, fifty-four thousand, ten".