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20101054 = 247281761
BaseRepresentation
bin100110010101…
…1011110111110
31101211020110111
41030223132332
520121213204
61554500234
7332566441
oct114533676
941736414
1020101054
111038a246
12689467a
13421a41c
142953658
151b70d04
hex132b7be

20101054 has 16 divisors (see below), whose sum is σ = 30943296. Its totient is φ = 9788800.

The previous prime is 20101013. The next prime is 20101073. The reversal of 20101054 is 45010102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26034 + ... + 26794.

It is an arithmetic number, because the mean of its divisors is an integer number (1933956).

Almost surely, 220101054 is an apocalyptic number.

20101054 is a deficient number, since it is larger than the sum of its proper divisors (10842242).

20101054 is a wasteful number, since it uses less digits than its factorization.

20101054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 20101054 is about 4483.4199000317. The cubic root of 20101054 is about 271.8981650936.

Adding to 20101054 its reverse (45010102), we get a palindrome (65111156).

The spelling of 20101054 in words is "twenty million, one hundred one thousand, fifty-four".