20345032403152 has 80 divisors (see below), whose sum is σ = 42771179255040. Its totient is φ = 9346029428736.

The previous prime is 20345032403089. The next prime is 20345032403231. The reversal of 20345032403152 is 25130423054302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2879148 + ... + 6998539.

It is an arithmetic number, because the mean of its divisors is an integer number (534639740688).

Almost surely, 2^{20345032403152} is an apocalyptic number.

It is an amenable number.

20345032403152 is an abundant number, since it is smaller than the sum of its proper divisors (22426146851888).

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

20345032403152 is a wasteful number, since it uses less digits than its factorization.

20345032403152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9877940 (or 9877934 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 20345032403152 its reverse (25130423054302), we get a palindrome (45475455457454).

The spelling of 20345032403152 in words is "twenty trillion, three hundred forty-five billion, thirty-two million, four hundred three thousand, one hundred fifty-two".