20233312302 has 64 divisors (see below), whose sum is σ = 47529151488. Its totient is φ = 5621664000.

The previous prime is 20233312279. The next prime is 20233312327. The reversal of 20233312302 is 20321333202.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

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, 516652 + ... + 554432.

It is an arithmetic number, because the mean of its divisors is an integer number (742642992).

Almost surely, 2^20233312302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20233312302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23764575744).

20233312302 is an abundant number, since it is smaller than the sum of its proper divisors (27295839186).

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

20233312302 is a wasteful number, since it uses less digits than its factorization.

20233312302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38145.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 20233312302 its reverse (20321333202), we get a palindrome (40554645504).

The spelling of 20233312302 in words is "twenty billion, two hundred thirty-three million, three hundred twelve thousand, three hundred two".