20312000034 has 8 divisors (see below), whose sum is σ = 40624000080. Its totient is φ = 6770666676.

The previous prime is 20311999979. The next prime is 20312000039. The reversal of 20312000034 is 43000021302.

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

20312000034 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 20311999977 and 20312000022.

It is not an unprimeable number, because it can be changed into a prime (20312000039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1692666664 + ... + 1692666675.

It is an arithmetic number, because the mean of its divisors is an integer number (5078000010).

Almost surely, 2^20312000034 is an apocalyptic number.

20312000034 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20312000034 is a wasteful number, since it uses less digits than its factorization.

20312000034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3385333344.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20312000034 its reverse (43000021302), we get a palindrome (63312021336).

The spelling of 20312000034 in words is "twenty billion, three hundred twelve million, thirty-four", and thus it is an aban number.