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10215120200620 = 225510756010031
BaseRepresentation
bin1001010010100110010010…
…0111000110001110101100
31100011120000021211201021011
42110221210213012032230
52314331031232404440
633420432245315004
72103006126025666
oct224514447061654
940146007751234
1010215120200620
113289232055795
12118b913105a64
13591387b8aa6a
142745b33a3536
1512aabaa219ea
hex94a649c63ac

10215120200620 has 12 divisors (see below), whose sum is σ = 21451752421344. Its totient is φ = 4086048080240.

The previous prime is 10215120200617. The next prime is 10215120200633. The reversal of 10215120200620 is 2600202151201.

It is a super-2 number, since 2×102151202006202 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10215120200591 and 10215120200600.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255378004996 + ... + 255378005035.

It is an arithmetic number, because the mean of its divisors is an integer number (1787646035112).

Almost surely, 210215120200620 is an apocalyptic number.

10215120200620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10215120200620 is an abundant number, since it is smaller than the sum of its proper divisors (11236632220724).

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

10215120200620 is a wasteful number, since it uses less digits than its factorization.

10215120200620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510756010040 (or 510756010038 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 10215120200620 its reverse (2600202151201), we get a palindrome (12815322351821).

The spelling of 10215120200620 in words is "ten trillion, two hundred fifteen billion, one hundred twenty million, two hundred thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 510756010031 1021512020062 2043024040124 2553780050155 5107560100310 10215120200620