20123310332 has 6 divisors (see below), whose sum is σ = 35215793088. Its totient is φ = 10061655164.

The previous prime is 20123310281. The next prime is 20123310341. The reversal of 20123310332 is 23301332102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2515413788 + ... + 2515413795.

It is an arithmetic number, because the mean of its divisors is an integer number (5869298848).

Almost surely, 2^20123310332 is an apocalyptic number.

It is an amenable number.

20123310332 is a deficient number, since it is larger than the sum of its proper divisors (15092482756).

20123310332 is a wasteful number, since it uses less digits than its factorization.

20123310332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5030827587 (or 5030827585 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20123310332 its reverse (23301332102), we get a palindrome (43424642434).

The spelling of 20123310332 in words is "twenty billion, one hundred twenty-three million, three hundred ten thousand, three hundred thirty-two".