20100332034 has 32 divisors (see below), whose sum is σ = 44837274240. Its totient is φ = 6674630256.

The previous prime is 20100332027. The next prime is 20100332059. The reversal of 20100332034 is 43023300102.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20100331998 and 20100332016.

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, 693457 + ... + 721860.

It is an arithmetic number, because the mean of its divisors is an integer number (1401164820).

Almost surely, 2^20100332034 is an apocalyptic number.

20100332034 is an abundant number, since it is smaller than the sum of its proper divisors (24736942206).

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

20100332034 is a wasteful number, since it uses less digits than its factorization.

20100332034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1415591 (or 1415585 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20100332034 its reverse (43023300102), we get a palindrome (63123632136).

The spelling of 20100332034 in words is "twenty billion, one hundred million, three hundred thirty-two thousand, thirty-four".