20338121677002 has 16 divisors (see below), whose sum is σ = 40676417052960. Its totient is φ = 6779344942512.

The previous prime is 20338121677001. The next prime is 20338121677007. The reversal of 20338121677002 is 20077612183302.

It is a happy number.

It is a super-3 number, since 3×20338121677002³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (20338121677001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5689852 + ... + 8546967.

It is an arithmetic number, because the mean of its divisors is an integer number (2542276065810).

Almost surely, 2^{20338121677002} is an apocalyptic number.

20338121677002 is an abundant number, since it is smaller than the sum of its proper divisors (20338295375958).

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

20338121677002 is a wasteful number, since it uses less digits than its factorization.

20338121677002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14474917.

The product of its (nonzero) digits is 169344, while the sum is 42.

The spelling of 20338121677002 in words is "twenty trillion, three hundred thirty-eight billion, one hundred twenty-one million, six hundred seventy-seven thousand, two".