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23020442212020 = 223511113417773897
BaseRepresentation
bin1010011101111110111010…
…10001111101011010110100
310000111201210012100202012120
411032333131101331122310
511004131331201241040
6120543240053115540
74564113006144531
oct516773521753264
9100451705322176
1023020442212020
117375a0753a210
1226b9623628bb0
13caca83cbc486
145982a406bd88
1529dc340967d0
hex14efdd47d6b4

23020442212020 has 192 divisors, whose sum is σ = 70957204851456. Its totient is φ = 5529927352320.

The previous prime is 23020442211947. The next prime is 23020442212081. The reversal of 23020442212020 is 2021224402032.

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, 311483712 + ... + 311557608.

It is an arithmetic number, because the mean of its divisors is an integer number (369568775268).

Almost surely, 223020442212020 is an apocalyptic number.

23020442212020 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 23020442212020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35478602425728).

23020442212020 is an abundant number, since it is smaller than the sum of its proper divisors (47936762639436).

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

23020442212020 is a wasteful number, since it uses less digits than its factorization.

23020442212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78210 (or 78208 counting only the distinct ones).

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

Adding to 23020442212020 its reverse (2021224402032), we get a palindrome (25041666614052).

The spelling of 23020442212020 in words is "twenty-three trillion, twenty billion, four hundred forty-two million, two hundred twelve thousand, twenty".