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20202020100010 = 257217197313712763
BaseRepresentation
bin1001001011111101001100…
…01110110101011110101010
32122112021221111220220102001
410211332212032311132222
510121442214121200020
6110544402510001214
74153355614364200
oct445764616653652
978467844826361
1020202020100010
1164896a0754281
1223233537a620a
13b37071c97058
144dbad674b070
1525077a83d50a
hex125fa63b57aa

20202020100010 has 384 divisors, whose sum is σ = 48144586740480. Its totient is φ = 6046330945536.

The previous prime is 20202020099981. The next prime is 20202020100013. The reversal of 20202020100010 is 1000102020202.

It is a super-2 number, since 2×202020201000102 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a self number, because there is not a number n which added to its sum of digits gives 20202020100010.

It is not an unprimeable number, because it can be changed into a prime (20202020100013) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1582851889 + ... + 1582864651.

It is an arithmetic number, because the mean of its divisors is an integer number (125376527970).

Almost surely, 220202020100010 is an apocalyptic number.

20202020100010 is an abundant number, since it is smaller than the sum of its proper divisors (27942566640470).

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

20202020100010 is a wasteful number, since it uses less digits than its factorization.

20202020100010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13030 (or 13023 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20202020100010 its reverse (1000102020202), we get a palindrome (21202122120212).

The spelling of 20202020100010 in words is "twenty trillion, two hundred two billion, twenty million, one hundred thousand, ten".