20351654606154 has 32 divisors (see below), whose sum is σ = 41109815309184. Its totient is φ = 6716145300800.

The previous prime is 20351654606089. The next prime is 20351654606197. The reversal of 20351654606154 is 45160645615302.

It is a happy 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, 5715412 + ... + 8565584.

It is an arithmetic number, because the mean of its divisors is an integer number (1284681728412).

Almost surely, 2^{20351654606154} is an apocalyptic number.

20351654606154 is an abundant number, since it is smaller than the sum of its proper divisors (20758160703030).

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

20351654606154 is a wasteful number, since it uses less digits than its factorization.

20351654606154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2862062.

The product of its (nonzero) digits is 2592000, while the sum is 48.

The spelling of 20351654606154 in words is "twenty trillion, three hundred fifty-one billion, six hundred fifty-four million, six hundred six thousand, one hundred fifty-four".