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10120022001020 = 2255315760810131
BaseRepresentation
bin1001001101000100000001…
…0100010000010101111100
31022211110112201210122001102
42103101000110100111330
52311301301113013040
633305023545032232
72063101402461521
oct223210024202574
938743481718042
1010120022001020
1132519716558a8
1211753b2a85678
13585410a76a39
1426db51361148
151283a1ce2515
hex9344051057c

10120022001020 has 48 divisors (see below), whose sum is σ = 21790945941408. Its totient is φ = 3946334196480.

The previous prime is 10120022001017. The next prime is 10120022001053. The reversal of 10120022001020 is 2010022002101.

It is a happy number.

It is a super-2 number, since 2×101200220010202 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10120022000992 and 10120022001010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30238646 + ... + 30571485.

It is an arithmetic number, because the mean of its divisors is an integer number (453978040446).

Almost surely, 210120022001020 is an apocalyptic number.

10120022001020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10120022001020 is an abundant number, since it is smaller than the sum of its proper divisors (11670923940388).

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

10120022001020 is a wasteful number, since it uses less digits than its factorization.

10120022001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60810350 (or 60810348 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10120022001020 its reverse (2010022002101), we get a palindrome (12130044003121).

The spelling of 10120022001020 in words is "ten trillion, one hundred twenty billion, twenty-two million, one thousand, twenty".

Divisors: 1 2 4 5 10 20 53 106 157 212 265 314 530 628 785 1060 1570 3140 8321 16642 33284 41605 83210 166420 60810131 121620262 243240524 304050655 608101310 1216202620 3222936943 6445873886 9547190567 12891747772 16114684715 19094381134 32229369430 38188762268 47735952835 64458738860 95471905670 190943811340 506001100051 1012002200102 2024004400204 2530005500255 5060011000510 10120022001020