20103540632 has 64 divisors (see below), whose sum is σ = 46167045120. Its totient is φ = 8018448768.

The previous prime is 20103540593. The next prime is 20103540647. The reversal of 20103540632 is 23604530102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163268 + ... + 258579.

It is an arithmetic number, because the mean of its divisors is an integer number (721360080).

Almost surely, 2^20103540632 is an apocalyptic number.

It is an amenable number.

20103540632 is an abundant number, since it is smaller than the sum of its proper divisors (26063504488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20103540632 is a wasteful number, since it uses less digits than its factorization.

20103540632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421920 (or 421916 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The spelling of 20103540632 in words is "twenty billion, one hundred three million, five hundred forty thousand, six hundred thirty-two".