20352321441354 has 64 divisors (see below), whose sum is σ = 47326063951872. Its totient is φ = 5714552289600.

The previous prime is 20352321441337. The next prime is 20352321441371. The reversal of 20352321441354 is 45314412325302.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20352321441337) and next prime (20352321441371).

It is a super-2 number, since 2×20352321441354² (a number of 27 digits) contains 22 as substring.

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, 7405002 + ... + 9774389.

It is an arithmetic number, because the mean of its divisors is an integer number (739469749248).

Almost surely, 2^{20352321441354} is an apocalyptic number.

20352321441354 is an abundant number, since it is smaller than the sum of its proper divisors (26973742510518).

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

20352321441354 is a wasteful number, since it uses less digits than its factorization.

20352321441354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17179891.

The product of its (nonzero) digits is 345600, while the sum is 39.

Adding to 20352321441354 its reverse (45314412325302), we get a palindrome (65666733766656).

The spelling of 20352321441354 in words is "twenty trillion, three hundred fifty-two billion, three hundred twenty-one million, four hundred forty-one thousand, three hundred fifty-four".