20400334410 has 48 divisors (see below), whose sum is σ = 49902227424. Its totient is φ = 5337423936.

The previous prime is 20400334351. The next prime is 20400334411. The reversal of 20400334410 is 1443300402.

20400334410 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (20400334411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36772 + ... + 205311.

It is an arithmetic number, because the mean of its divisors is an integer number (1039629738).

Almost surely, 2^20400334410 is an apocalyptic number.

20400334410 is an abundant number, since it is smaller than the sum of its proper divisors (29501893014).

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

20400334410 is a wasteful number, since it uses less digits than its factorization.

20400334410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242199 (or 242146 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 20400334410 its reverse (1443300402), we get a palindrome (21843634812).

The spelling of 20400334410 in words is "twenty billion, four hundred million, three hundred thirty-four thousand, four hundred ten".