20610131426 has 16 divisors (see below), whose sum is σ = 31717672800. Its totient is φ = 10038839328.

The previous prime is 20610131417. The next prime is 20610131447. The reversal of 20610131426 is 62413101602.

It is a junction number, because it is equal to n+sod(n) for n = 20610131395 and 20610131404.

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, 283571 + ... + 348758.

It is an arithmetic number, because the mean of its divisors is an integer number (1982354550).

Almost surely, 2^20610131426 is an apocalyptic number.

20610131426 is a deficient number, since it is larger than the sum of its proper divisors (11107541374).

20610131426 is a wasteful number, since it uses less digits than its factorization.

20610131426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632753.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 20610131426 in words is "twenty billion, six hundred ten million, one hundred thirty-one thousand, four hundred twenty-six".