20020361554426 has 16 divisors (see below), whose sum is σ = 30372741460800. Its totient is φ = 9896149788448.

The previous prime is 20020361554421. The next prime is 20020361554483. The reversal of 20020361554426 is 62445516302002.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20020361554421) 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, 7711780 + ... + 9975583.

It is an arithmetic number, because the mean of its divisors is an integer number (1898296341300).

Almost surely, 2^{20020361554426} is an apocalyptic number.

20020361554426 is a deficient number, since it is larger than the sum of its proper divisors (10352379906374).

20020361554426 is a wasteful number, since it uses less digits than its factorization.

20020361554426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17693813.

The product of its (nonzero) digits is 345600, while the sum is 40.

Adding to 20020361554426 its reverse (62445516302002), we get a palindrome (82465877856428).

The spelling of 20020361554426 in words is "twenty trillion, twenty billion, three hundred sixty-one million, five hundred fifty-four thousand, four hundred twenty-six".