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BaseRepresentation
bin1001000111010011111010…
…11101111011100000000110
32121222000222212200202122220
410203221331131323200012
510111333340113313110
6110343210045233210
74136005624335231
oct443517535734006
977860885622586
1020042422401030
116427a41a388a7
1222b8432862806
13b24cb9196193
144d40b643a418
1524b53936b370
hex123a7d77b806

20042422401030 has 128 divisors (see below), whose sum is σ = 53151838737408. Its totient is φ = 4810995965952.

The previous prime is 20042422400969. The next prime is 20042422401049. The reversal of 20042422401030 is 3010422424002.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 107083509 + ... + 107270511.

It is an arithmetic number, because the mean of its divisors is an integer number (415248740136).

Almost surely, 220042422401030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20042422401030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26575919368704).

20042422401030 is an abundant number, since it is smaller than the sum of its proper divisors (33109416336378).

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

20042422401030 is a wasteful number, since it uses less digits than its factorization.

20042422401030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196190.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 20042422401030 its reverse (3010422424002), we get a palindrome (23052844825032).

The spelling of 20042422401030 in words is "twenty trillion, forty-two billion, four hundred twenty-two million, four hundred one thousand, thirty".