20152445314 has 8 divisors (see below), whose sum is σ = 30229270668. Its totient is φ = 10076021760.

The previous prime is 20152445293. The next prime is 20152445333. The reversal of 20152445314 is 41354425102.

It can be written as a sum of positive squares in 2 ways, for example, as 17169647089 + 2982798225 = 131033^2 + 54615^2 .

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

It is a super-2 number, since 2×20152445314² (a number of 21 digits) contains 22 as substring.

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, 141394 + ... + 245554.

Almost surely, 2^20152445314 is an apocalyptic number.

20152445314 is a deficient number, since it is larger than the sum of its proper divisors (10076825354).

20152445314 is a wasteful number, since it uses less digits than its factorization.

20152445314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200900.

The product of its (nonzero) digits is 19200, while the sum is 31.

The spelling of 20152445314 in words is "twenty billion, one hundred fifty-two million, four hundred forty-five thousand, three hundred fourteen".