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2021002020202 = 21191863728191
BaseRepresentation
bin11101011010001101000…
…110111000010101101010
321011012120002212000112011
4131122031012320111222
5231103003004121302
64144234023110134
7266004212505454
oct35321506702552
97135502760464
102021002020202
1170a113a53480
122878255a234a
1311876c705869
146db61c8b2d4
1537886bc85d7
hex1d68d1b856a

2021002020202 has 8 divisors (see below), whose sum is σ = 3307094214912. Its totient is φ = 918637281900.

The previous prime is 2021002020197. The next prime is 2021002020227. The reversal of 2021002020202 is 2020202001202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20210020202022 (a number of 25 digits) contains 22 as substring.

2021002020202 is a modest number, since divided by 2020202 gives 20210 as remainder.

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, 45931864074 + ... + 45931864117.

It is an arithmetic number, because the mean of its divisors is an integer number (413386776864).

Almost surely, 22021002020202 is an apocalyptic number.

2021002020202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2021002020202 is a deficient number, since it is larger than the sum of its proper divisors (1286092194710).

2021002020202 is a wasteful number, since it uses less digits than its factorization.

2021002020202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91863728204.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 2021002020202 its reverse (2020202001202), we get a palindrome (4041204021404).

The spelling of 2021002020202 in words is "two trillion, twenty-one billion, two million, twenty thousand, two hundred two".