20101405452254 has 32 divisors (see below), whose sum is σ = 35958536395776. Its totient is φ = 8240157478080.

The previous prime is 20101405452241. The next prime is 20101405452287. The reversal of 20101405452254 is 45225450410102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15601799 + ... + 16840989.

It is an arithmetic number, because the mean of its divisors is an integer number (1123704262368).

Almost surely, 2^{20101405452254} is an apocalyptic number.

20101405452254 is a deficient number, since it is larger than the sum of its proper divisors (15857130943522).

20101405452254 is a wasteful number, since it uses less digits than its factorization.

20101405452254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289600.

The product of its (nonzero) digits is 64000, while the sum is 35.

Adding to 20101405452254 its reverse (45225450410102), we get a palindrome (65326855862356).

The spelling of 20101405452254 in words is "twenty trillion, one hundred one billion, four hundred five million, four hundred fifty-two thousand, two hundred fifty-four".