10651420 has 48 divisors (see below), whose sum is σ = 24470208. Its totient is φ = 3870720.

The previous prime is 10651409. The next prime is 10651423. The reversal of 10651420 is 2415601.

10651420 = T₄₅ + T₄₆ + ... + T₃₉₉.

10651420 is a nontrivial binomial coefficient, being equal to C(4616, 2).

It is a super-2 number, since 2×10651420² = 226905496032800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10651423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18172 + ... + 18748.

It is an arithmetic number, because the mean of its divisors is an integer number (509796).

Almost surely, 2^10651420 is an apocalyptic number.

10651420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10651420 is the 4615-th triangular number and also the 2308-th hexagonal number.

10651420 is the 1539-th centered nonagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10651420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12235104).

10651420 is an abundant number, since it is smaller than the sum of its proper divisors (13818788).

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

10651420 is a wasteful number, since it uses less digits than its factorization.

10651420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670 (or 668 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 10651420 is about 3263.6513294162. The cubic root of 10651420 is about 220.0235511977.

It can be divided in two parts, 1065 and 1420, that added together give a triangular number (2485 = T₇₀).

The spelling of 10651420 in words is "ten million, six hundred fifty-one thousand, four hundred twenty".