20411515214 has 32 divisors (see below), whose sum is σ = 31169880000. Its totient is φ = 10023616512.

The previous prime is 20411515177. The next prime is 20411515219. The reversal of 20411515214 is 41251511402.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20411515219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16341662 + ... + 16342910.

It is an arithmetic number, because the mean of its divisors is an integer number (974058750).

Almost surely, 2^20411515214 is an apocalyptic number.

20411515214 is a deficient number, since it is larger than the sum of its proper divisors (10758364786).

20411515214 is a wasteful number, since it uses less digits than its factorization.

20411515214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1964.

The product of its (nonzero) digits is 1600, while the sum is 26.

The spelling of 20411515214 in words is "twenty billion, four hundred eleven million, five hundred fifteen thousand, two hundred fourteen".