20402602121733 has 16 divisors (see below), whose sum is σ = 29296322017536. Its totient is φ = 12555328340160.

The previous prime is 20402602121717. The next prime is 20402602121753. The reversal of 20402602121733 is 33712120620402.

It is not a de Polignac number, because 20402602121733 - 2⁴ = 20402602121717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20402602121694 and 20402602121703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20402602121753) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1774116 + ... + 6629682.

It is an arithmetic number, because the mean of its divisors is an integer number (1831020126096).

Almost surely, 2^{20402602121733} is an apocalyptic number.

It is an amenable number.

20402602121733 is a deficient number, since it is larger than the sum of its proper divisors (8893719895803).

20402602121733 is a wasteful number, since it uses less digits than its factorization.

20402602121733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4963324.

The product of its (nonzero) digits is 24192, while the sum is 33.

The spelling of 20402602121733 in words is "twenty trillion, four hundred two billion, six hundred two million, one hundred twenty-one thousand, seven hundred thirty-three".