20152312010 has 8 divisors (see below), whose sum is σ = 36274161636. Its totient is φ = 8060924800.

The previous prime is 20152312001. The next prime is 20152312093. The reversal of 20152312010 is 1021325102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18108277489 + 2044034521 = 134567^2 + 45211^2 .

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

It is a super-2 number, since 2×20152312010² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20152312010.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1007615591 + ... + 1007615610.

Almost surely, 2^20152312010 is an apocalyptic number.

20152312010 is a deficient number, since it is larger than the sum of its proper divisors (16121849626).

20152312010 is a wasteful number, since it uses less digits than its factorization.

20152312010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2015231208.

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 20152312010 its reverse (1021325102), we get a palindrome (21173637112).

The spelling of 20152312010 in words is "twenty billion, one hundred fifty-two million, three hundred twelve thousand, ten".