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20200220211 = 361157703081
BaseRepresentation
bin10010110100000001…
…101110011000110011
31221010210021111202010
4102310001232120303
5312332224021321
613140240454003
71313403016203
oct226401563063
957123244663
1020200220211
118626552476
123ab901a303
131b9c00b232
14d98b24403
157d361a676
hex4b406e633

20200220211 has 16 divisors (see below), whose sum is σ = 27549565088. Its totient is φ = 13161657600.

The previous prime is 20200220207. The next prime is 20200220213. The reversal of 20200220211 is 11202200202.

It is not a de Polignac number, because 20200220211 - 22 = 20200220207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20200220213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 322810 + ... + 380271.

It is an arithmetic number, because the mean of its divisors is an integer number (1721847818).

Almost surely, 220200220211 is an apocalyptic number.

20200220211 is a deficient number, since it is larger than the sum of its proper divisors (7349344877).

20200220211 is a wasteful number, since it uses less digits than its factorization.

20200220211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703302.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20200220211 its reverse (11202200202), we get a palindrome (31402420413).

The spelling of 20200220211 in words is "twenty billion, two hundred million, two hundred twenty thousand, two hundred eleven".

Divisors: 1 3 61 157 183 471 9577 28731 703081 2109243 42887941 110383717 128663823 331151151 6733406737 20200220211