20932013015 has 8 divisors (see below), whose sum is σ = 25138728960. Its totient is φ = 16732068192.

The previous prime is 20932013009. The next prime is 20932013017. The reversal of 20932013015 is 51031023902.

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

It is a cyclic number.

It is not a de Polignac number, because 20932013015 - 2⁶ = 20932012951 is a prime.

It is a super-3 number, since 3×20932013015³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20932013017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1685975 + ... + 1698344.

It is an arithmetic number, because the mean of its divisors is an integer number (3142341120).

Almost surely, 2^20932013015 is an apocalyptic number.

20932013015 is a deficient number, since it is larger than the sum of its proper divisors (4206715945).

20932013015 is a wasteful number, since it uses less digits than its factorization.

20932013015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3385561.

The product of its (nonzero) digits is 1620, while the sum is 26.

Adding to 20932013015 its sum of digits (26), we get a square (20932013041 = 144679²).

Adding to 20932013015 its reverse (51031023902), we get a palindrome (71963036917).

The spelling of 20932013015 in words is "twenty billion, nine hundred thirty-two million, thirteen thousand, fifteen".