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10020210020 = 2254311651407
BaseRepresentation
bin10010101010100000…
…00100010101100100
3221212022210102001122
421111100010111210
5131010133210040
64334143513112
7503211244202
oct112520042544
927768712048
1010020210020
114282169107
121b378b8798
13c38c45372
146b0b04072
153d9a511b5
hex255404564

10020210020 has 24 divisors (see below), whose sum is σ = 21531801984. Its totient is φ = 3914872416.

The previous prime is 10020210001. The next prime is 10020210037. The reversal of 10020210020 is 2001202001.

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, 5824844 + ... + 5826563.

It is an arithmetic number, because the mean of its divisors is an integer number (897158416).

Almost surely, 210020210020 is an apocalyptic number.

10020210020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10020210020 is an abundant number, since it is smaller than the sum of its proper divisors (11511591964).

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

10020210020 is a wasteful number, since it uses less digits than its factorization.

10020210020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11651459 (or 11651457 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 10020210020 its reverse (2001202001), we get a palindrome (12021412021).

The spelling of 10020210020 in words is "ten billion, twenty million, two hundred ten thousand, twenty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 11651407 23302814 46605628 58257035 116514070 233028140 501010501 1002021002 2004042004 2505052505 5010105010 10020210020