20207152015 has 4 divisors (see below), whose sum is σ = 24248582424. Its totient is φ = 16165721608.

The previous prime is 20207151997. The next prime is 20207152033. The reversal of 20207152015 is 51025170202.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (20207151997) and next prime (20207152033).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20207152015 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 2020715197 + ... + 2020715206.

It is an arithmetic number, because the mean of its divisors is an integer number (6062145606).

Almost surely, 2^20207152015 is an apocalyptic number.

20207152015 is a deficient number, since it is larger than the sum of its proper divisors (4041430409).

20207152015 is an equidigital number, since it uses as much as digits as its factorization.

20207152015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4041430408.

The product of its (nonzero) digits is 1400, while the sum is 25.

The spelling of 20207152015 in words is "twenty billion, two hundred seven million, one hundred fifty-two thousand, fifteen".