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20401024232 = 2343254323321
BaseRepresentation
bin10010111111111111…
…101110110011101000
31221122210010102002002
4102333333232303220
5313240130233412
613212212430132
71321361562521
oct227777566350
957583112062
1020401024232
118719934506
123b54318348
131c017b7494
14db7675848
157e6082dc2
hex4bffeece8

20401024232 has 32 divisors (see below), whose sum is σ = 39158570880. Its totient is φ = 9958945920.

The previous prime is 20401024229. The next prime is 20401024247. The reversal of 20401024232 is 23242010402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 863132 + ... + 886452.

It is an arithmetic number, because the mean of its divisors is an integer number (1223705340).

Almost surely, 220401024232 is an apocalyptic number.

It is an amenable number.

20401024232 is a deficient number, since it is larger than the sum of its proper divisors (18757546648).

20401024232 is a wasteful number, since it uses less digits than its factorization.

20401024232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25913 (or 25909 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 20401024232 its reverse (23242010402), we get a palindrome (43643034634).

The spelling of 20401024232 in words is "twenty billion, four hundred one million, twenty-four thousand, two hundred thirty-two".

Divisors: 1 2 4 8 43 86 172 344 2543 5086 10172 20344 23321 46642 93284 109349 186568 218698 437396 874792 1002803 2005606 4011212 8022424 59305303 118610606 237221212 474442424 2550128029 5100256058 10200512116 20401024232