20122413421000 has 128 divisors (see below), whose sum is σ = 51370934209920. Its totient is φ = 7316685600000.

The previous prime is 20122413420973. The next prime is 20122413421031. The reversal of 20122413421000 is 12431422102.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 161978910 + ... + 162103090.

It is an arithmetic number, because the mean of its divisors is an integer number (401335423515).

Almost surely, 2^{20122413421000} is an apocalyptic number.

20122413421000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20122413421000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25685467104960).

20122413421000 is an abundant number, since it is smaller than the sum of its proper divisors (31248520788920).

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

20122413421000 is a wasteful number, since it uses less digits than its factorization.

20122413421000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138944 (or 138930 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 20122413421000 its reverse (12431422102), we get a palindrome (20134844843102).

The spelling of 20122413421000 in words is "twenty trillion, one hundred twenty-two billion, four hundred thirteen million, four hundred twenty-one thousand".