20010302312 has 128 divisors (see below), whose sum is σ = 52566312960. Its totient is φ = 6883557120.

The previous prime is 20010302303. The next prime is 20010302327. The reversal of 20010302312 is 21320301002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129863 + ... + 238505.

It is an arithmetic number, because the mean of its divisors is an integer number (410674320).

Almost surely, 2^20010302312 is an apocalyptic number.

20010302312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20010302312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26283156480).

20010302312 is an abundant number, since it is smaller than the sum of its proper divisors (32556010648).

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

20010302312 is a wasteful number, since it uses less digits than its factorization.

20010302312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108703 (or 108699 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20010302312 its reverse (21320301002), we get a palindrome (41330603314).

The spelling of 20010302312 in words is "twenty billion, ten million, three hundred two thousand, three hundred twelve".