20126555225310 has 16 divisors (see below), whose sum is σ = 48303732540816. Its totient is φ = 5367081393408.

The previous prime is 20126555225303. The next prime is 20126555225323. The reversal of 20126555225310 is 1352255562102.

It is a super-2 number, since 2×20126555225310² (a number of 27 digits) contains 22 as substring.

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, 335442587059 + ... + 335442587118.

It is an arithmetic number, because the mean of its divisors is an integer number (3018983283801).

Almost surely, 2^{20126555225310} is an apocalyptic number.

20126555225310 is an abundant number, since it is smaller than the sum of its proper divisors (28177177315506).

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

20126555225310 is a wasteful number, since it uses less digits than its factorization.

20126555225310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670885174187.

The product of its (nonzero) digits is 180000, while the sum is 39.

The spelling of 20126555225310 in words is "twenty trillion, one hundred twenty-six billion, five hundred fifty-five million, two hundred twenty-five thousand, three hundred ten".